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Finding the Fourth Proportional to 85,060.09, 127,608.59 and 25,894.23

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Solution

The fourth proportional to 85,060.09, 127,608.59 and 25,894.23 is: 38,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,060.09 : 127,608.59 = 25,894.23 : x
  2. Step 2: Convert to fraction form
    85,060.09/127,608.59 = 25,894.23/x
  3. Step 3: Cross multiply
    85,060.09x = 127,608.59 × 25,894.23
  4. Step 4: Simplify right side
    85,060.09x = 3,304,326,179.44
  5. Step 5: Solve for x
    x = 3,304,326,179.44/85,060.09
  6. Step 6: Final answer
    x = 38,846.96

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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.