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Finding the Fourth Proportional to 85,012.98, 127,524.04 and 25,844.16

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Solution

The fourth proportional to 85,012.98, 127,524.04 and 25,844.16 is: 38,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,012.98 : 127,524.04 = 25,844.16 : x
  2. Step 2: Convert to fraction form
    85,012.98/127,524.04 = 25,844.16/x
  3. Step 3: Cross multiply
    85,012.98x = 127,524.04 × 25,844.16
  4. Step 4: Simplify right side
    85,012.98x = 3,295,751,693.61
  5. Step 5: Solve for x
    x = 3,295,751,693.61/85,012.98
  6. Step 6: Final answer
    x = 38,767.63

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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.