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Finding the Fourth Proportional to 62,508.90, 93,772.47 and 18,135.90

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Solution

The fourth proportional to 62,508.90, 93,772.47 and 18,135.90 is: 27,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,508.90 : 93,772.47 = 18,135.90 : x
  2. Step 2: Convert to fraction form
    62,508.90/93,772.47 = 18,135.90/x
  3. Step 3: Cross multiply
    62,508.90x = 93,772.47 × 18,135.90
  4. Step 4: Simplify right side
    62,508.90x = 1,700,648,138.67
  5. Step 5: Solve for x
    x = 1,700,648,138.67/62,508.90
  6. Step 6: Final answer
    x = 27,206.50

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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.