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Finding the Fourth Proportional to 62,265.80, 93,398.70 and 15,518.68

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Solution

The fourth proportional to 62,265.80, 93,398.70 and 15,518.68 is: 23,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,265.80 : 93,398.70 = 15,518.68 : x
  2. Step 2: Convert to fraction form
    62,265.80/93,398.70 = 15,518.68/x
  3. Step 3: Cross multiply
    62,265.80x = 93,398.70 × 15,518.68
  4. Step 4: Simplify right side
    62,265.80x = 1,449,424,537.72
  5. Step 5: Solve for x
    x = 1,449,424,537.72/62,265.80
  6. Step 6: Final answer
    x = 23,278.02

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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.