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Finding the Fourth Proportional to 60,059.20, 90,058.56 and 18,500.80

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Solution

The fourth proportional to 60,059.20, 90,058.56 and 18,500.80 is: 27,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,059.20 : 90,058.56 = 18,500.80 : x
  2. Step 2: Convert to fraction form
    60,059.20/90,058.56 = 18,500.80/x
  3. Step 3: Cross multiply
    60,059.20x = 90,058.56 × 18,500.80
  4. Step 4: Simplify right side
    60,059.20x = 1,666,155,406.85
  5. Step 5: Solve for x
    x = 1,666,155,406.85/60,059.20
  6. Step 6: Final answer
    x = 27,741.88

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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.