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Finding the Fourth Proportional to 44,129.28, 66,128.28 and 34,792.08

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Solution

The fourth proportional to 44,129.28, 66,128.28 and 34,792.08 is: 52,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,129.28 : 66,128.28 = 34,792.08 : x
  2. Step 2: Convert to fraction form
    44,129.28/66,128.28 = 34,792.08/x
  3. Step 3: Cross multiply
    44,129.28x = 66,128.28 × 34,792.08
  4. Step 4: Simplify right side
    44,129.28x = 2,300,740,408.02
  5. Step 5: Solve for x
    x = 2,300,740,408.02/44,129.28
  6. Step 6: Final answer
    x = 52,136.37

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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.