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Finding the Fourth Proportional to 62,671.74, 93,989.10 and 18,284.52

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Solution

The fourth proportional to 62,671.74, 93,989.10 and 18,284.52 is: 27,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.74 : 93,989.10 = 18,284.52 : x
  2. Step 2: Convert to fraction form
    62,671.74/93,989.10 = 18,284.52/x
  3. Step 3: Cross multiply
    62,671.74x = 93,989.10 × 18,284.52
  4. Step 4: Simplify right side
    62,671.74x = 1,718,545,578.73
  5. Step 5: Solve for x
    x = 1,718,545,578.73/62,671.74
  6. Step 6: Final answer
    x = 27,421.38

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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.