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Finding the Fourth Proportional to 29,976.57, 44,956.35 and 8,915.76

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Solution

The fourth proportional to 29,976.57, 44,956.35 and 8,915.76 is: 13,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,976.57 : 44,956.35 = 8,915.76 : x
  2. Step 2: Convert to fraction form
    29,976.57/44,956.35 = 8,915.76/x
  3. Step 3: Cross multiply
    29,976.57x = 44,956.35 × 8,915.76
  4. Step 4: Simplify right side
    29,976.57x = 400,820,027.08
  5. Step 5: Solve for x
    x = 400,820,027.08/29,976.57
  6. Step 6: Final answer
    x = 13,371.11

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1.5x scale

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.