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Finding the Fourth Proportional to 59,611.41, 82,240.11 and 38,403

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Solution

The fourth proportional to 59,611.41, 82,240.11 and 38,403 is: 52,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,611.41 : 82,240.11 = 38,403 : x
  2. Step 2: Convert to fraction form
    59,611.41/82,240.11 = 38,403/x
  3. Step 3: Cross multiply
    59,611.41x = 82,240.11 × 38,403
  4. Step 4: Simplify right side
    59,611.41x = 3,158,266,944.33
  5. Step 5: Solve for x
    x = 3,158,266,944.33/59,611.41
  6. Step 6: Final answer
    x = 52,980.91

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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.