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Finding the Fourth Proportional to 10,363.52, 15,545.52 and 9,561.20

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Solution

The fourth proportional to 10,363.52, 15,545.52 and 9,561.20 is: 14,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.52 : 15,545.52 = 9,561.20 : x
  2. Step 2: Convert to fraction form
    10,363.52/15,545.52 = 9,561.20/x
  3. Step 3: Cross multiply
    10,363.52x = 15,545.52 × 9,561.20
  4. Step 4: Simplify right side
    10,363.52x = 148,633,825.82
  5. Step 5: Solve for x
    x = 148,633,825.82/10,363.52
  6. Step 6: Final answer
    x = 14,342.02

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1.5x scale

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.