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Finding the Fourth Proportional to 68,339.84, 94,306.68 and 40,044.92

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Solution

The fourth proportional to 68,339.84, 94,306.68 and 40,044.92 is: 55,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,339.84 : 94,306.68 = 40,044.92 : x
  2. Step 2: Convert to fraction form
    68,339.84/94,306.68 = 40,044.92/x
  3. Step 3: Cross multiply
    68,339.84x = 94,306.68 × 40,044.92
  4. Step 4: Simplify right side
    68,339.84x = 3,776,503,456.07
  5. Step 5: Solve for x
    x = 3,776,503,456.07/68,339.84
  6. Step 6: Final answer
    x = 55,260.64

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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.