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Finding the Fourth Proportional to 60,055, 90,082.50 and 16,279

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Solution

The fourth proportional to 60,055, 90,082.50 and 16,279 is: 24,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,055 : 90,082.50 = 16,279 : x
  2. Step 2: Convert to fraction form
    60,055/90,082.50 = 16,279/x
  3. Step 3: Cross multiply
    60,055x = 90,082.50 × 16,279
  4. Step 4: Simplify right side
    60,055x = 1,466,453,017.50
  5. Step 5: Solve for x
    x = 1,466,453,017.50/60,055
  6. Step 6: Final answer
    x = 24,418.50

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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.