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Finding the Fourth Proportional to 4,700.92, 6,487.52 and 2,684.92

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Solution

The fourth proportional to 4,700.92, 6,487.52 and 2,684.92 is: 3,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.92 : 6,487.52 = 2,684.92 : x
  2. Step 2: Convert to fraction form
    4,700.92/6,487.52 = 2,684.92/x
  3. Step 3: Cross multiply
    4,700.92x = 6,487.52 × 2,684.92
  4. Step 4: Simplify right side
    4,700.92x = 17,418,472.20
  5. Step 5: Solve for x
    x = 17,418,472.20/4,700.92
  6. Step 6: Final answer
    x = 3,705.33

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Double scale
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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.