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Finding the Fourth Proportional to 54,753.68, 75,560 and 29,603.12

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Solution

The fourth proportional to 54,753.68, 75,560 and 29,603.12 is: 40,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.68 : 75,560 = 29,603.12 : x
  2. Step 2: Convert to fraction form
    54,753.68/75,560 = 29,603.12/x
  3. Step 3: Cross multiply
    54,753.68x = 75,560 × 29,603.12
  4. Step 4: Simplify right side
    54,753.68x = 2,236,811,747.20
  5. Step 5: Solve for x
    x = 2,236,811,747.20/54,753.68
  6. Step 6: Final answer
    x = 40,852.26

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1.5x scale

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.