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Finding the Fourth Proportional to 85,006.92, 127,524.96 and 25,848.48

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Solution

The fourth proportional to 85,006.92, 127,524.96 and 25,848.48 is: 38,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,006.92 : 127,524.96 = 25,848.48 : x
  2. Step 2: Convert to fraction form
    85,006.92/127,524.96 = 25,848.48/x
  3. Step 3: Cross multiply
    85,006.92x = 127,524.96 × 25,848.48
  4. Step 4: Simplify right side
    85,006.92x = 3,296,326,378.06
  5. Step 5: Solve for x
    x = 3,296,326,378.06/85,006.92
  6. Step 6: Final answer
    x = 38,777.15

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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.