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Finding the Fourth Proportional to 16,387.65, 24,581.61 and 4,701.24

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Solution

The fourth proportional to 16,387.65, 24,581.61 and 4,701.24 is: 7,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.65 : 24,581.61 = 4,701.24 : x
  2. Step 2: Convert to fraction form
    16,387.65/24,581.61 = 4,701.24/x
  3. Step 3: Cross multiply
    16,387.65x = 24,581.61 × 4,701.24
  4. Step 4: Simplify right side
    16,387.65x = 115,564,048.20
  5. Step 5: Solve for x
    x = 115,564,048.20/16,387.65
  6. Step 6: Final answer
    x = 7,051.90

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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.