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Finding the Fourth Proportional to 29,641.94, 44,453.64 and 9,915.88

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Solution

The fourth proportional to 29,641.94, 44,453.64 and 9,915.88 is: 14,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,641.94 : 44,453.64 = 9,915.88 : x
  2. Step 2: Convert to fraction form
    29,641.94/44,453.64 = 9,915.88/x
  3. Step 3: Cross multiply
    29,641.94x = 44,453.64 × 9,915.88
  4. Step 4: Simplify right side
    29,641.94x = 440,796,959.80
  5. Step 5: Solve for x
    x = 440,796,959.80/29,641.94
  6. Step 6: Final answer
    x = 14,870.72

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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.