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Finding the Fourth Proportional to 59,074.54, 81,520.88 and 35,188.86

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Solution

The fourth proportional to 59,074.54, 81,520.88 and 35,188.86 is: 48,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,074.54 : 81,520.88 = 35,188.86 : x
  2. Step 2: Convert to fraction form
    59,074.54/81,520.88 = 35,188.86/x
  3. Step 3: Cross multiply
    59,074.54x = 81,520.88 × 35,188.86
  4. Step 4: Simplify right side
    59,074.54x = 2,868,626,833.40
  5. Step 5: Solve for x
    x = 2,868,626,833.40/59,074.54
  6. Step 6: Final answer
    x = 48,559.44

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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.