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Finding the Fourth Proportional to 68,924.56, 95,119.32 and 38,708.32

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Solution

The fourth proportional to 68,924.56, 95,119.32 and 38,708.32 is: 53,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,924.56 : 95,119.32 = 38,708.32 : x
  2. Step 2: Convert to fraction form
    68,924.56/95,119.32 = 38,708.32/x
  3. Step 3: Cross multiply
    68,924.56x = 95,119.32 × 38,708.32
  4. Step 4: Simplify right side
    68,924.56x = 3,681,909,076.74
  5. Step 5: Solve for x
    x = 3,681,909,076.74/68,924.56
  6. Step 6: Final answer
    x = 53,419.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.