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Finding the Fourth Proportional to 16,387.60, 24,581.24 and 4,700.88

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Solution

The fourth proportional to 16,387.60, 24,581.24 and 4,700.88 is: 7,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.60 : 24,581.24 = 4,700.88 : x
  2. Step 2: Convert to fraction form
    16,387.60/24,581.24 = 4,700.88/x
  3. Step 3: Cross multiply
    16,387.60x = 24,581.24 × 4,700.88
  4. Step 4: Simplify right side
    16,387.60x = 115,553,459.49
  5. Step 5: Solve for x
    x = 115,553,459.49/16,387.60
  6. Step 6: Final answer
    x = 7,051.27

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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.