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Finding the Fourth Proportional to 13,360.44, 20,042.86 and 5,041.20

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Solution

The fourth proportional to 13,360.44, 20,042.86 and 5,041.20 is: 7,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.44 : 20,042.86 = 5,041.20 : x
  2. Step 2: Convert to fraction form
    13,360.44/20,042.86 = 5,041.20/x
  3. Step 3: Cross multiply
    13,360.44x = 20,042.86 × 5,041.20
  4. Step 4: Simplify right side
    13,360.44x = 101,040,065.83
  5. Step 5: Solve for x
    x = 101,040,065.83/13,360.44
  6. Step 6: Final answer
    x = 7,562.63

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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.