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Finding the Fourth Proportional to 54,401.56, 81,610.56 and 19,332.88

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Solution

The fourth proportional to 54,401.56, 81,610.56 and 19,332.88 is: 29,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.56 : 81,610.56 = 19,332.88 : x
  2. Step 2: Convert to fraction form
    54,401.56/81,610.56 = 19,332.88/x
  3. Step 3: Cross multiply
    54,401.56x = 81,610.56 × 19,332.88
  4. Step 4: Simplify right side
    54,401.56x = 1,577,767,163.21
  5. Step 5: Solve for x
    x = 1,577,767,163.21/54,401.56
  6. Step 6: Final answer
    x = 29,002.24

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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.