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Finding the Fourth Proportional to 84,705.93, 127,059.88 and 25,542.11

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Solution

The fourth proportional to 84,705.93, 127,059.88 and 25,542.11 is: 38,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.93 : 127,059.88 = 25,542.11 : x
  2. Step 2: Convert to fraction form
    84,705.93/127,059.88 = 25,542.11/x
  3. Step 3: Cross multiply
    84,705.93x = 127,059.88 × 25,542.11
  4. Step 4: Simplify right side
    84,705.93x = 3,245,377,431.55
  5. Step 5: Solve for x
    x = 3,245,377,431.55/84,705.93
  6. Step 6: Final answer
    x = 38,313.46

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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.