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Finding the Fourth Proportional to 35,169.20, 52,753.80 and 10,545.20

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Solution

The fourth proportional to 35,169.20, 52,753.80 and 10,545.20 is: 15,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,169.20 : 52,753.80 = 10,545.20 : x
  2. Step 2: Convert to fraction form
    35,169.20/52,753.80 = 10,545.20/x
  3. Step 3: Cross multiply
    35,169.20x = 52,753.80 × 10,545.20
  4. Step 4: Simplify right side
    35,169.20x = 556,299,371.76
  5. Step 5: Solve for x
    x = 556,299,371.76/35,169.20
  6. Step 6: Final answer
    x = 15,817.80

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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.