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Finding the Fourth Proportional to 69,554.70, 96,035.13 and 54,997.20

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Solution

The fourth proportional to 69,554.70, 96,035.13 and 54,997.20 is: 75,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,554.70 : 96,035.13 = 54,997.20 : x
  2. Step 2: Convert to fraction form
    69,554.70/96,035.13 = 54,997.20/x
  3. Step 3: Cross multiply
    69,554.70x = 96,035.13 × 54,997.20
  4. Step 4: Simplify right side
    69,554.70x = 5,281,663,251.64
  5. Step 5: Solve for x
    x = 5,281,663,251.64/69,554.70
  6. Step 6: Final answer
    x = 75,935.39

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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.