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Finding the Fourth Proportional to 60,352.56, 90,493.56 and 18,220.05

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Solution

The fourth proportional to 60,352.56, 90,493.56 and 18,220.05 is: 27,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,352.56 : 90,493.56 = 18,220.05 : x
  2. Step 2: Convert to fraction form
    60,352.56/90,493.56 = 18,220.05/x
  3. Step 3: Cross multiply
    60,352.56x = 90,493.56 × 18,220.05
  4. Step 4: Simplify right side
    60,352.56x = 1,648,797,187.88
  5. Step 5: Solve for x
    x = 1,648,797,187.88/60,352.56
  6. Step 6: Final answer
    x = 27,319.42

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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.