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Finding the Fourth Proportional to 68,740.74, 94,853.79 and 41,873.49

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Solution

The fourth proportional to 68,740.74, 94,853.79 and 41,873.49 is: 57,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,740.74 : 94,853.79 = 41,873.49 : x
  2. Step 2: Convert to fraction form
    68,740.74/94,853.79 = 41,873.49/x
  3. Step 3: Cross multiply
    68,740.74x = 94,853.79 × 41,873.49
  4. Step 4: Simplify right side
    68,740.74x = 3,971,859,227.03
  5. Step 5: Solve for x
    x = 3,971,859,227.03/68,740.74
  6. Step 6: Final answer
    x = 57,780.28

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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.