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Finding the Fourth Proportional to 59,604.88, 82,231.20 and 38,396.40

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Solution

The fourth proportional to 59,604.88, 82,231.20 and 38,396.40 is: 52,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,604.88 : 82,231.20 = 38,396.40 : x
  2. Step 2: Convert to fraction form
    59,604.88/82,231.20 = 38,396.40/x
  3. Step 3: Cross multiply
    59,604.88x = 82,231.20 × 38,396.40
  4. Step 4: Simplify right side
    59,604.88x = 3,157,382,047.68
  5. Step 5: Solve for x
    x = 3,157,382,047.68/59,604.88
  6. Step 6: Final answer
    x = 52,971.87

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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.