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Finding the Fourth Proportional to 29,700.61, 44,557.86 and 8,641.11

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Solution

The fourth proportional to 29,700.61, 44,557.86 and 8,641.11 is: 12,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,700.61 : 44,557.86 = 8,641.11 : x
  2. Step 2: Convert to fraction form
    29,700.61/44,557.86 = 8,641.11/x
  3. Step 3: Cross multiply
    29,700.61x = 44,557.86 × 8,641.11
  4. Step 4: Simplify right side
    29,700.61x = 385,029,569.12
  5. Step 5: Solve for x
    x = 385,029,569.12/29,700.61
  6. Step 6: Final answer
    x = 12,963.69

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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.