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Finding the Fourth Proportional to 67,944, 101,853.13 and 25,811.45

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Solution

The fourth proportional to 67,944, 101,853.13 and 25,811.45 is: 38,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,944 : 101,853.13 = 25,811.45 : x
  2. Step 2: Convert to fraction form
    67,944/101,853.13 = 25,811.45/x
  3. Step 3: Cross multiply
    67,944x = 101,853.13 × 25,811.45
  4. Step 4: Simplify right side
    67,944x = 2,628,976,972.34
  5. Step 5: Solve for x
    x = 2,628,976,972.34/67,944
  6. Step 6: Final answer
    x = 38,693.29

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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.