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Finding the Fourth Proportional to 16,590.88, 24,889.92 and 4,905.04

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Solution

The fourth proportional to 16,590.88, 24,889.92 and 4,905.04 is: 7,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.88 : 24,889.92 = 4,905.04 : x
  2. Step 2: Convert to fraction form
    16,590.88/24,889.92 = 4,905.04/x
  3. Step 3: Cross multiply
    16,590.88x = 24,889.92 × 4,905.04
  4. Step 4: Simplify right side
    16,590.88x = 122,086,053.20
  5. Step 5: Solve for x
    x = 122,086,053.20/16,590.88
  6. Step 6: Final answer
    x = 7,358.62

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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.