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Finding the Fourth Proportional to 84,716.70, 127,034.01 and 25,541.34

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Solution

The fourth proportional to 84,716.70, 127,034.01 and 25,541.34 is: 38,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.70 : 127,034.01 = 25,541.34 : x
  2. Step 2: Convert to fraction form
    84,716.70/127,034.01 = 25,541.34/x
  3. Step 3: Cross multiply
    84,716.70x = 127,034.01 × 25,541.34
  4. Step 4: Simplify right side
    84,716.70x = 3,244,618,840.97
  5. Step 5: Solve for x
    x = 3,244,618,840.97/84,716.70
  6. Step 6: Final answer
    x = 38,299.64

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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.