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Finding the Fourth Proportional to 29,617.60, 44,411.28 and 8,838.40

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Solution

The fourth proportional to 29,617.60, 44,411.28 and 8,838.40 is: 13,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.60 : 44,411.28 = 8,838.40 : x
  2. Step 2: Convert to fraction form
    29,617.60/44,411.28 = 8,838.40/x
  3. Step 3: Cross multiply
    29,617.60x = 44,411.28 × 8,838.40
  4. Step 4: Simplify right side
    29,617.60x = 392,524,657.15
  5. Step 5: Solve for x
    x = 392,524,657.15/29,617.60
  6. Step 6: Final answer
    x = 13,253.09

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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.