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Finding the Fourth Proportional to 68,335.39, 94,305.18 and 39,652.89

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Solution

The fourth proportional to 68,335.39, 94,305.18 and 39,652.89 is: 54,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335.39 : 94,305.18 = 39,652.89 : x
  2. Step 2: Convert to fraction form
    68,335.39/94,305.18 = 39,652.89/x
  3. Step 3: Cross multiply
    68,335.39x = 94,305.18 × 39,652.89
  4. Step 4: Simplify right side
    68,335.39x = 3,739,472,457.44
  5. Step 5: Solve for x
    x = 3,739,472,457.44/68,335.39
  6. Step 6: Final answer
    x = 54,722.34

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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.