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Finding the Fourth Proportional to 60,333.67, 90,352.81 and 42,520.55

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Solution

The fourth proportional to 60,333.67, 90,352.81 and 42,520.55 is: 63,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,333.67 : 90,352.81 = 42,520.55 : x
  2. Step 2: Convert to fraction form
    60,333.67/90,352.81 = 42,520.55/x
  3. Step 3: Cross multiply
    60,333.67x = 90,352.81 × 42,520.55
  4. Step 4: Simplify right side
    60,333.67x = 3,841,851,175.25
  5. Step 5: Solve for x
    x = 3,841,851,175.25/60,333.67
  6. Step 6: Final answer
    x = 63,676.74

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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.