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Finding the Fourth Proportional to 62,842.06, 86,721.42 and 46,781.18

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Solution

The fourth proportional to 62,842.06, 86,721.42 and 46,781.18 is: 64,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,842.06 : 86,721.42 = 46,781.18 : x
  2. Step 2: Convert to fraction form
    62,842.06/86,721.42 = 46,781.18/x
  3. Step 3: Cross multiply
    62,842.06x = 86,721.42 × 46,781.18
  4. Step 4: Simplify right side
    62,842.06x = 4,056,930,358.88
  5. Step 5: Solve for x
    x = 4,056,930,358.88/62,842.06
  6. Step 6: Final answer
    x = 64,557.56

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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.