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Finding the Fourth Proportional to 3,967.06, 5,473.53 and 2,475.70

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Solution

The fourth proportional to 3,967.06, 5,473.53 and 2,475.70 is: 3,415.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.06 : 5,473.53 = 2,475.70 : x
  2. Step 2: Convert to fraction form
    3,967.06/5,473.53 = 2,475.70/x
  3. Step 3: Cross multiply
    3,967.06x = 5,473.53 × 2,475.70
  4. Step 4: Simplify right side
    3,967.06x = 13,550,818.22
  5. Step 5: Solve for x
    x = 13,550,818.22/3,967.06
  6. Step 6: Final answer
    x = 3,415.83

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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.