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Finding the Fourth Proportional to 59,008.80, 88,318.80 and 45,789.60

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Solution

The fourth proportional to 59,008.80, 88,318.80 and 45,789.60 is: 68,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,008.80 : 88,318.80 = 45,789.60 : x
  2. Step 2: Convert to fraction form
    59,008.80/88,318.80 = 45,789.60/x
  3. Step 3: Cross multiply
    59,008.80x = 88,318.80 × 45,789.60
  4. Step 4: Simplify right side
    59,008.80x = 4,044,082,524.48
  5. Step 5: Solve for x
    x = 4,044,082,524.48/59,008.80
  6. Step 6: Final answer
    x = 68,533.55

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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.