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Finding the Fourth Proportional to 59,221.80, 88,686.90 and 28,020.60

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Solution

The fourth proportional to 59,221.80, 88,686.90 and 28,020.60 is: 41,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,221.80 : 88,686.90 = 28,020.60 : x
  2. Step 2: Convert to fraction form
    59,221.80/88,686.90 = 28,020.60/x
  3. Step 3: Cross multiply
    59,221.80x = 88,686.90 × 28,020.60
  4. Step 4: Simplify right side
    59,221.80x = 2,485,060,150.14
  5. Step 5: Solve for x
    x = 2,485,060,150.14/59,221.80
  6. Step 6: Final answer
    x = 41,961.92

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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.