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Finding the Fourth Proportional to 29,681.69, 44,512.28 and 8,616.02

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Solution

The fourth proportional to 29,681.69, 44,512.28 and 8,616.02 is: 12,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,681.69 : 44,512.28 = 8,616.02 : x
  2. Step 2: Convert to fraction form
    29,681.69/44,512.28 = 8,616.02/x
  3. Step 3: Cross multiply
    29,681.69x = 44,512.28 × 8,616.02
  4. Step 4: Simplify right side
    29,681.69x = 383,518,760.24
  5. Step 5: Solve for x
    x = 383,518,760.24/29,681.69
  6. Step 6: Final answer
    x = 12,921.06

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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.