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Finding the Fourth Proportional to 60,003.63, 90,061.97 and 30,442.68

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Solution

The fourth proportional to 60,003.63, 90,061.97 and 30,442.68 is: 45,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003.63 : 90,061.97 = 30,442.68 : x
  2. Step 2: Convert to fraction form
    60,003.63/90,061.97 = 30,442.68/x
  3. Step 3: Cross multiply
    60,003.63x = 90,061.97 × 30,442.68
  4. Step 4: Simplify right side
    60,003.63x = 2,741,727,580.67
  5. Step 5: Solve for x
    x = 2,741,727,580.67/60,003.63
  6. Step 6: Final answer
    x = 45,692.70

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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.