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Finding the Fourth Proportional to 69,913.52, 96,481.50 and 38,082.68

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Solution

The fourth proportional to 69,913.52, 96,481.50 and 38,082.68 is: 52,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913.52 : 96,481.50 = 38,082.68 : x
  2. Step 2: Convert to fraction form
    69,913.52/96,481.50 = 38,082.68/x
  3. Step 3: Cross multiply
    69,913.52x = 96,481.50 × 38,082.68
  4. Step 4: Simplify right side
    69,913.52x = 3,674,274,090.42
  5. Step 5: Solve for x
    x = 3,674,274,090.42/69,913.52
  6. Step 6: Final answer
    x = 52,554.56

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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.