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Finding the Fourth Proportional to 29,837.70, 44,756.55 and 9,061.20

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Solution

The fourth proportional to 29,837.70, 44,756.55 and 9,061.20 is: 13,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,837.70 : 44,756.55 = 9,061.20 : x
  2. Step 2: Convert to fraction form
    29,837.70/44,756.55 = 9,061.20/x
  3. Step 3: Cross multiply
    29,837.70x = 44,756.55 × 9,061.20
  4. Step 4: Simplify right side
    29,837.70x = 405,548,050.86
  5. Step 5: Solve for x
    x = 405,548,050.86/29,837.70
  6. Step 6: Final answer
    x = 13,591.80

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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.