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Finding the Fourth Proportional to 68,334.89, 94,304.49 and 39,652.39

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Solution

The fourth proportional to 68,334.89, 94,304.49 and 39,652.39 is: 54,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.89 : 94,304.49 = 39,652.39 : x
  2. Step 2: Convert to fraction form
    68,334.89/94,304.49 = 39,652.39/x
  3. Step 3: Cross multiply
    68,334.89x = 94,304.49 × 39,652.39
  4. Step 4: Simplify right side
    68,334.89x = 3,739,397,944.71
  5. Step 5: Solve for x
    x = 3,739,397,944.71/68,334.89
  6. Step 6: Final answer
    x = 54,721.65

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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.