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Finding the Fourth Proportional to 54,754, 75,560.52 and 29,603.50

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Solution

The fourth proportional to 54,754, 75,560.52 and 29,603.50 is: 40,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754 : 75,560.52 = 29,603.50 : x
  2. Step 2: Convert to fraction form
    54,754/75,560.52 = 29,603.50/x
  3. Step 3: Cross multiply
    54,754x = 75,560.52 × 29,603.50
  4. Step 4: Simplify right side
    54,754x = 2,236,855,853.82
  5. Step 5: Solve for x
    x = 2,236,855,853.82/54,754
  6. Step 6: Final answer
    x = 40,852.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.