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Finding the Fourth Proportional to 59,417.80, 89,126.70 and 38,422.60

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Solution

The fourth proportional to 59,417.80, 89,126.70 and 38,422.60 is: 57,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,417.80 : 89,126.70 = 38,422.60 : x
  2. Step 2: Convert to fraction form
    59,417.80/89,126.70 = 38,422.60/x
  3. Step 3: Cross multiply
    59,417.80x = 89,126.70 × 38,422.60
  4. Step 4: Simplify right side
    59,417.80x = 3,424,479,543.42
  5. Step 5: Solve for x
    x = 3,424,479,543.42/59,417.80
  6. Step 6: Final answer
    x = 57,633.90

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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.