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Finding the Fourth Proportional to 84,173.28, 126,260.28 and 25,009.50

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Solution

The fourth proportional to 84,173.28, 126,260.28 and 25,009.50 is: 37,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173.28 : 126,260.28 = 25,009.50 : x
  2. Step 2: Convert to fraction form
    84,173.28/126,260.28 = 25,009.50/x
  3. Step 3: Cross multiply
    84,173.28x = 126,260.28 × 25,009.50
  4. Step 4: Simplify right side
    84,173.28x = 3,157,706,472.66
  5. Step 5: Solve for x
    x = 3,157,706,472.66/84,173.28
  6. Step 6: Final answer
    x = 37,514.36

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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.