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Finding the Fourth Proportional to 62,871.58, 93,817.31 and 57,282.58

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Solution

The fourth proportional to 62,871.58, 93,817.31 and 57,282.58 is: 85,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.58 : 93,817.31 = 57,282.58 : x
  2. Step 2: Convert to fraction form
    62,871.58/93,817.31 = 57,282.58/x
  3. Step 3: Cross multiply
    62,871.58x = 93,817.31 × 57,282.58
  4. Step 4: Simplify right side
    62,871.58x = 5,374,097,565.46
  5. Step 5: Solve for x
    x = 5,374,097,565.46/62,871.58
  6. Step 6: Final answer
    x = 85,477.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.