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Finding the Fourth Proportional to 54,511.88, 75,250.69 and 38,393.69

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Solution

The fourth proportional to 54,511.88, 75,250.69 and 38,393.69 is: 53,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,511.88 : 75,250.69 = 38,393.69 : x
  2. Step 2: Convert to fraction form
    54,511.88/75,250.69 = 38,393.69/x
  3. Step 3: Cross multiply
    54,511.88x = 75,250.69 × 38,393.69
  4. Step 4: Simplify right side
    54,511.88x = 2,889,151,191.91
  5. Step 5: Solve for x
    x = 2,889,151,191.91/54,511.88
  6. Step 6: Final answer
    x = 53,000.40

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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.