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Finding the Fourth Proportional to 16,656.30, 24,984.90 and 7,291.49

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Solution

The fourth proportional to 16,656.30, 24,984.90 and 7,291.49 is: 10,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.30 : 24,984.90 = 7,291.49 : x
  2. Step 2: Convert to fraction form
    16,656.30/24,984.90 = 7,291.49/x
  3. Step 3: Cross multiply
    16,656.30x = 24,984.90 × 7,291.49
  4. Step 4: Simplify right side
    16,656.30x = 182,177,023.58
  5. Step 5: Solve for x
    x = 182,177,023.58/16,656.30
  6. Step 6: Final answer
    x = 10,937.42

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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.