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Finding the Fourth Proportional to 16,488.61, 24,735.93 and 5,395.90

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Solution

The fourth proportional to 16,488.61, 24,735.93 and 5,395.90 is: 8,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.61 : 24,735.93 = 5,395.90 : x
  2. Step 2: Convert to fraction form
    16,488.61/24,735.93 = 5,395.90/x
  3. Step 3: Cross multiply
    16,488.61x = 24,735.93 × 5,395.90
  4. Step 4: Simplify right side
    16,488.61x = 133,472,604.69
  5. Step 5: Solve for x
    x = 133,472,604.69/16,488.61
  6. Step 6: Final answer
    x = 8,094.84

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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.