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Finding the Fourth Proportional to 16,489.47, 24,743.42 and 16,355.58

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Solution

The fourth proportional to 16,489.47, 24,743.42 and 16,355.58 is: 24,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.47 : 24,743.42 = 16,355.58 : x
  2. Step 2: Convert to fraction form
    16,489.47/24,743.42 = 16,355.58/x
  3. Step 3: Cross multiply
    16,489.47x = 24,743.42 × 16,355.58
  4. Step 4: Simplify right side
    16,489.47x = 404,692,985.28
  5. Step 5: Solve for x
    x = 404,692,985.28/16,489.47
  6. Step 6: Final answer
    x = 24,542.51

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1.5x scale

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.