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Finding the Fourth Proportional to 29,889.92, 44,766.72 and 14,318.56

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Solution

The fourth proportional to 29,889.92, 44,766.72 and 14,318.56 is: 21,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.92 : 44,766.72 = 14,318.56 : x
  2. Step 2: Convert to fraction form
    29,889.92/44,766.72 = 14,318.56/x
  3. Step 3: Cross multiply
    29,889.92x = 44,766.72 × 14,318.56
  4. Step 4: Simplify right side
    29,889.92x = 640,994,966.32
  5. Step 5: Solve for x
    x = 640,994,966.32/29,889.92
  6. Step 6: Final answer
    x = 21,445.19

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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.