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Finding the Fourth Proportional to 62,562.74, 86,342.80 and 35,709.32

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Solution

The fourth proportional to 62,562.74, 86,342.80 and 35,709.32 is: 49,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,562.74 : 86,342.80 = 35,709.32 : x
  2. Step 2: Convert to fraction form
    62,562.74/86,342.80 = 35,709.32/x
  3. Step 3: Cross multiply
    62,562.74x = 86,342.80 × 35,709.32
  4. Step 4: Simplify right side
    62,562.74x = 3,083,242,674.90
  5. Step 5: Solve for x
    x = 3,083,242,674.90/62,562.74
  6. Step 6: Final answer
    x = 49,282.41

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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.