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Finding the Fourth Proportional to 16,665.80, 24,999.15 and 7,301

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Solution

The fourth proportional to 16,665.80, 24,999.15 and 7,301 is: 10,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.80 : 24,999.15 = 7,301 : x
  2. Step 2: Convert to fraction form
    16,665.80/24,999.15 = 7,301/x
  3. Step 3: Cross multiply
    16,665.80x = 24,999.15 × 7,301
  4. Step 4: Simplify right side
    16,665.80x = 182,518,794.15
  5. Step 5: Solve for x
    x = 182,518,794.15/16,665.80
  6. Step 6: Final answer
    x = 10,951.70

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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.