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Finding the Fourth Proportional to 62,705.91, 86,534.33 and 35,849.15

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Solution

The fourth proportional to 62,705.91, 86,534.33 and 35,849.15 is: 49,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,705.91 : 86,534.33 = 35,849.15 : x
  2. Step 2: Convert to fraction form
    62,705.91/86,534.33 = 35,849.15/x
  3. Step 3: Cross multiply
    62,705.91x = 86,534.33 × 35,849.15
  4. Step 4: Simplify right side
    62,705.91x = 3,102,181,888.91
  5. Step 5: Solve for x
    x = 3,102,181,888.91/62,705.91
  6. Step 6: Final answer
    x = 49,471.92

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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.