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Finding the Fourth Proportional to 84,773.80, 127,160.70 and 25,618.60

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Solution

The fourth proportional to 84,773.80, 127,160.70 and 25,618.60 is: 38,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.80 : 127,160.70 = 25,618.60 : x
  2. Step 2: Convert to fraction form
    84,773.80/127,160.70 = 25,618.60/x
  3. Step 3: Cross multiply
    84,773.80x = 127,160.70 × 25,618.60
  4. Step 4: Simplify right side
    84,773.80x = 3,257,679,109.02
  5. Step 5: Solve for x
    x = 3,257,679,109.02/84,773.80
  6. Step 6: Final answer
    x = 38,427.90

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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.