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Finding the Fourth Proportional to 84,900.72, 127,377.75 and 35,004.30

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Solution

The fourth proportional to 84,900.72, 127,377.75 and 35,004.30 is: 52,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.72 : 127,377.75 = 35,004.30 : x
  2. Step 2: Convert to fraction form
    84,900.72/127,377.75 = 35,004.30/x
  3. Step 3: Cross multiply
    84,900.72x = 127,377.75 × 35,004.30
  4. Step 4: Simplify right side
    84,900.72x = 4,458,768,974.33
  5. Step 5: Solve for x
    x = 4,458,768,974.33/84,900.72
  6. Step 6: Final answer
    x = 52,517.45

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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.