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Finding the Fourth Proportional to 73,917.40, 110,843.70 and 29,529.40

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Solution

The fourth proportional to 73,917.40, 110,843.70 and 29,529.40 is: 44,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,917.40 : 110,843.70 = 29,529.40 : x
  2. Step 2: Convert to fraction form
    73,917.40/110,843.70 = 29,529.40/x
  3. Step 3: Cross multiply
    73,917.40x = 110,843.70 × 29,529.40
  4. Step 4: Simplify right side
    73,917.40x = 3,273,147,954.78
  5. Step 5: Solve for x
    x = 3,273,147,954.78/73,917.40
  6. Step 6: Final answer
    x = 44,281.16

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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.