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Finding the Fourth Proportional to 47,167.20, 70,750.80 and 16,002.72

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Solution

The fourth proportional to 47,167.20, 70,750.80 and 16,002.72 is: 24,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,167.20 : 70,750.80 = 16,002.72 : x
  2. Step 2: Convert to fraction form
    47,167.20/70,750.80 = 16,002.72/x
  3. Step 3: Cross multiply
    47,167.20x = 70,750.80 × 16,002.72
  4. Step 4: Simplify right side
    47,167.20x = 1,132,205,242.18
  5. Step 5: Solve for x
    x = 1,132,205,242.18/47,167.20
  6. Step 6: Final answer
    x = 24,004.08

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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.