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Finding the Fourth Proportional to 40,505.70, 60,758.55 and 25,634.10

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Solution

The fourth proportional to 40,505.70, 60,758.55 and 25,634.10 is: 38,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505.70 : 60,758.55 = 25,634.10 : x
  2. Step 2: Convert to fraction form
    40,505.70/60,758.55 = 25,634.10/x
  3. Step 3: Cross multiply
    40,505.70x = 60,758.55 × 25,634.10
  4. Step 4: Simplify right side
    40,505.70x = 1,557,490,746.56
  5. Step 5: Solve for x
    x = 1,557,490,746.56/40,505.70
  6. Step 6: Final answer
    x = 38,451.15

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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.