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Finding the Fourth Proportional to 62,587.70, 93,911.63 and 38,888.82

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Solution

The fourth proportional to 62,587.70, 93,911.63 and 38,888.82 is: 58,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,587.70 : 93,911.63 = 38,888.82 : x
  2. Step 2: Convert to fraction form
    62,587.70/93,911.63 = 38,888.82/x
  3. Step 3: Cross multiply
    62,587.70x = 93,911.63 × 38,888.82
  4. Step 4: Simplify right side
    62,587.70x = 3,652,112,474.98
  5. Step 5: Solve for x
    x = 3,652,112,474.98/62,587.70
  6. Step 6: Final answer
    x = 58,351.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.