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Finding the Fourth Proportional to 85,062.93, 127,612.85 and 25,897.07

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Solution

The fourth proportional to 85,062.93, 127,612.85 and 25,897.07 is: 38,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,062.93 : 127,612.85 = 25,897.07 : x
  2. Step 2: Convert to fraction form
    85,062.93/127,612.85 = 25,897.07/x
  3. Step 3: Cross multiply
    85,062.93x = 127,612.85 × 25,897.07
  4. Step 4: Simplify right side
    85,062.93x = 3,304,798,141.80
  5. Step 5: Solve for x
    x = 3,304,798,141.80/85,062.93
  6. Step 6: Final answer
    x = 38,851.21

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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.