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Finding the Fourth Proportional to 67,439.96, 101,172.96 and 25,883.72

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Solution

The fourth proportional to 67,439.96, 101,172.96 and 25,883.72 is: 38,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.96 : 101,172.96 = 25,883.72 : x
  2. Step 2: Convert to fraction form
    67,439.96/101,172.96 = 25,883.72/x
  3. Step 3: Cross multiply
    67,439.96x = 101,172.96 × 25,883.72
  4. Step 4: Simplify right side
    67,439.96x = 2,618,732,568.21
  5. Step 5: Solve for x
    x = 2,618,732,568.21/67,439.96
  6. Step 6: Final answer
    x = 38,830.58

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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.