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Finding the Fourth Proportional to 6,530.04, 9,795.06 and 2,146.32

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Solution

The fourth proportional to 6,530.04, 9,795.06 and 2,146.32 is: 3,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.04 : 9,795.06 = 2,146.32 : x
  2. Step 2: Convert to fraction form
    6,530.04/9,795.06 = 2,146.32/x
  3. Step 3: Cross multiply
    6,530.04x = 9,795.06 × 2,146.32
  4. Step 4: Simplify right side
    6,530.04x = 21,023,333.18
  5. Step 5: Solve for x
    x = 21,023,333.18/6,530.04
  6. Step 6: Final answer
    x = 3,219.48

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.