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Finding the Fourth Proportional to 29,509.59, 44,272.59 and 12,871.08

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Solution

The fourth proportional to 29,509.59, 44,272.59 and 12,871.08 is: 19,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,509.59 : 44,272.59 = 12,871.08 : x
  2. Step 2: Convert to fraction form
    29,509.59/44,272.59 = 12,871.08/x
  3. Step 3: Cross multiply
    29,509.59x = 44,272.59 × 12,871.08
  4. Step 4: Simplify right side
    29,509.59x = 569,836,047.70
  5. Step 5: Solve for x
    x = 569,836,047.70/29,509.59
  6. Step 6: Final answer
    x = 19,310.20

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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.