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Finding the Fourth Proportional to 27,761.16, 41,642.12 and 9,041.28

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Solution

The fourth proportional to 27,761.16, 41,642.12 and 9,041.28 is: 13,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.16 : 41,642.12 = 9,041.28 : x
  2. Step 2: Convert to fraction form
    27,761.16/41,642.12 = 9,041.28/x
  3. Step 3: Cross multiply
    27,761.16x = 41,642.12 × 9,041.28
  4. Step 4: Simplify right side
    27,761.16x = 376,498,066.71
  5. Step 5: Solve for x
    x = 376,498,066.71/27,761.16
  6. Step 6: Final answer
    x = 13,562.04

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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.