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Finding the Fourth Proportional to 62,842.56, 86,722.11 and 46,781.68

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Solution

The fourth proportional to 62,842.56, 86,722.11 and 46,781.68 is: 64,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,842.56 : 86,722.11 = 46,781.68 : x
  2. Step 2: Convert to fraction form
    62,842.56/86,722.11 = 46,781.68/x
  3. Step 3: Cross multiply
    62,842.56x = 86,722.11 × 46,781.68
  4. Step 4: Simplify right side
    62,842.56x = 4,057,005,998.94
  5. Step 5: Solve for x
    x = 4,057,005,998.94/62,842.56
  6. Step 6: Final answer
    x = 64,558.25

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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.