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Finding the Fourth Proportional to 69,952.72, 96,534.76 and 38,121.60

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Solution

The fourth proportional to 69,952.72, 96,534.76 and 38,121.60 is: 52,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,952.72 : 96,534.76 = 38,121.60 : x
  2. Step 2: Convert to fraction form
    69,952.72/96,534.76 = 38,121.60/x
  3. Step 3: Cross multiply
    69,952.72x = 96,534.76 × 38,121.60
  4. Step 4: Simplify right side
    69,952.72x = 3,680,059,506.82
  5. Step 5: Solve for x
    x = 3,680,059,506.82/69,952.72
  6. Step 6: Final answer
    x = 52,607.81

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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.