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Finding the Fourth Proportional to 15,307.68, 22,939.92 and 6,539.52

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Solution

The fourth proportional to 15,307.68, 22,939.92 and 6,539.52 is: 9,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.68 : 22,939.92 = 6,539.52 : x
  2. Step 2: Convert to fraction form
    15,307.68/22,939.92 = 6,539.52/x
  3. Step 3: Cross multiply
    15,307.68x = 22,939.92 × 6,539.52
  4. Step 4: Simplify right side
    15,307.68x = 150,016,065.64
  5. Step 5: Solve for x
    x = 150,016,065.64/15,307.68
  6. Step 6: Final answer
    x = 9,800.05

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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.