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Finding the Fourth Proportional to 44,959.20, 67,463.10 and 20,003.10

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Solution

The fourth proportional to 44,959.20, 67,463.10 and 20,003.10 is: 30,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,959.20 : 67,463.10 = 20,003.10 : x
  2. Step 2: Convert to fraction form
    44,959.20/67,463.10 = 20,003.10/x
  3. Step 3: Cross multiply
    44,959.20x = 67,463.10 × 20,003.10
  4. Step 4: Simplify right side
    44,959.20x = 1,349,471,135.61
  5. Step 5: Solve for x
    x = 1,349,471,135.61/44,959.20
  6. Step 6: Final answer
    x = 30,015.46

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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.