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Finding the Fourth Proportional to 6,451,651.06, 8,903,208.08 and 3,550,979.64

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Solution

The fourth proportional to 6,451,651.06, 8,903,208.08 and 3,550,979.64 is: 4,900,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451,651.06 : 8,903,208.08 = 3,550,979.64 : x
  2. Step 2: Convert to fraction form
    6,451,651.06/8,903,208.08 = 3,550,979.64/x
  3. Step 3: Cross multiply
    6,451,651.06x = 8,903,208.08 × 3,550,979.64
  4. Step 4: Simplify right side
    6,451,651.06x = 31,615,110,622,763.49
  5. Step 5: Solve for x
    x = 31,615,110,622,763.49/6,451,651.06
  6. Step 6: Final answer
    x = 4,900,313.16

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.