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Finding the Fourth Proportional to 59,486.75, 89,111.15 and 35,781.20

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Solution

The fourth proportional to 59,486.75, 89,111.15 and 35,781.20 is: 53,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,486.75 : 89,111.15 = 35,781.20 : x
  2. Step 2: Convert to fraction form
    59,486.75/89,111.15 = 35,781.20/x
  3. Step 3: Cross multiply
    59,486.75x = 89,111.15 × 35,781.20
  4. Step 4: Simplify right side
    59,486.75x = 3,188,503,255.92
  5. Step 5: Solve for x
    x = 3,188,503,255.92/59,486.75
  6. Step 6: Final answer
    x = 53,600.23

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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.