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Finding the Fourth Proportional to 29,689.68, 44,551.08 and 15,838.32

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Solution

The fourth proportional to 29,689.68, 44,551.08 and 15,838.32 is: 23,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.68 : 44,551.08 = 15,838.32 : x
  2. Step 2: Convert to fraction form
    29,689.68/44,551.08 = 15,838.32/x
  3. Step 3: Cross multiply
    29,689.68x = 44,551.08 × 15,838.32
  4. Step 4: Simplify right side
    29,689.68x = 705,614,261.39
  5. Step 5: Solve for x
    x = 705,614,261.39/29,689.68
  6. Step 6: Final answer
    x = 23,766.31

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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.