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Finding the Fourth Proportional to 75,471.59, 104,144.01 and 41,479.70

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Solution

The fourth proportional to 75,471.59, 104,144.01 and 41,479.70 is: 57,238.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,471.59 : 104,144.01 = 41,479.70 : x
  2. Step 2: Convert to fraction form
    75,471.59/104,144.01 = 41,479.70/x
  3. Step 3: Cross multiply
    75,471.59x = 104,144.01 × 41,479.70
  4. Step 4: Simplify right side
    75,471.59x = 4,319,862,291.60
  5. Step 5: Solve for x
    x = 4,319,862,291.60/75,471.59
  6. Step 6: Final answer
    x = 57,238.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.