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Finding the Fourth Proportional to 68,733.72, 94,853.68 and 40,052.72

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Solution

The fourth proportional to 68,733.72, 94,853.68 and 40,052.72 is: 55,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.72 : 94,853.68 = 40,052.72 : x
  2. Step 2: Convert to fraction form
    68,733.72/94,853.68 = 40,052.72/x
  3. Step 3: Cross multiply
    68,733.72x = 94,853.68 × 40,052.72
  4. Step 4: Simplify right side
    68,733.72x = 3,799,148,023.01
  5. Step 5: Solve for x
    x = 3,799,148,023.01/68,733.72
  6. Step 6: Final answer
    x = 55,273.42

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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.