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Finding the Fourth Proportional to 29,915.60, 44,808.60 and 18,251.60

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Solution

The fourth proportional to 29,915.60, 44,808.60 and 18,251.60 is: 27,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.60 : 44,808.60 = 18,251.60 : x
  2. Step 2: Convert to fraction form
    29,915.60/44,808.60 = 18,251.60/x
  3. Step 3: Cross multiply
    29,915.60x = 44,808.60 × 18,251.60
  4. Step 4: Simplify right side
    29,915.60x = 817,828,643.76
  5. Step 5: Solve for x
    x = 817,828,643.76/29,915.60
  6. Step 6: Final answer
    x = 27,337.87

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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.