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Finding the Fourth Proportional to 29,565.78, 44,361.65 and 15,522.54

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Solution

The fourth proportional to 29,565.78, 44,361.65 and 15,522.54 is: 23,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,565.78 : 44,361.65 = 15,522.54 : x
  2. Step 2: Convert to fraction form
    29,565.78/44,361.65 = 15,522.54/x
  3. Step 3: Cross multiply
    29,565.78x = 44,361.65 × 15,522.54
  4. Step 4: Simplify right side
    29,565.78x = 688,605,486.59
  5. Step 5: Solve for x
    x = 688,605,486.59/29,565.78
  6. Step 6: Final answer
    x = 23,290.63

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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.