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Finding the Fourth Proportional to 60,269.87, 90,410.88 and 15,899.69

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Solution

The fourth proportional to 60,269.87, 90,410.88 and 15,899.69 is: 23,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,269.87 : 90,410.88 = 15,899.69 : x
  2. Step 2: Convert to fraction form
    60,269.87/90,410.88 = 15,899.69/x
  3. Step 3: Cross multiply
    60,269.87x = 90,410.88 × 15,899.69
  4. Step 4: Simplify right side
    60,269.87x = 1,437,505,250.28
  5. Step 5: Solve for x
    x = 1,437,505,250.28/60,269.87
  6. Step 6: Final answer
    x = 23,851.14

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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.