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Finding the Fourth Proportional to 85,008.92, 127,527.96 and 25,850.48

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Solution

The fourth proportional to 85,008.92, 127,527.96 and 25,850.48 is: 38,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.92 : 127,527.96 = 25,850.48 : x
  2. Step 2: Convert to fraction form
    85,008.92/127,527.96 = 25,850.48/x
  3. Step 3: Cross multiply
    85,008.92x = 127,527.96 × 25,850.48
  4. Step 4: Simplify right side
    85,008.92x = 3,296,658,979.42
  5. Step 5: Solve for x
    x = 3,296,658,979.42/85,008.92
  6. Step 6: Final answer
    x = 38,780.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.