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Finding the Fourth Proportional to 62,654.11, 86,454.71 and 35,798.36

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Solution

The fourth proportional to 62,654.11, 86,454.71 and 35,798.36 is: 49,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,654.11 : 86,454.71 = 35,798.36 : x
  2. Step 2: Convert to fraction form
    62,654.11/86,454.71 = 35,798.36/x
  3. Step 3: Cross multiply
    62,654.11x = 86,454.71 × 35,798.36
  4. Step 4: Simplify right side
    62,654.11x = 3,094,936,679.46
  5. Step 5: Solve for x
    x = 3,094,936,679.46/62,654.11
  6. Step 6: Final answer
    x = 49,397.18

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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.