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Finding the Fourth Proportional to 68,334.72, 94,304.25 and 39,652.17

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Solution

The fourth proportional to 68,334.72, 94,304.25 and 39,652.17 is: 54,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,334.72 : 94,304.25 = 39,652.17 : x
  2. Step 2: Convert to fraction form
    68,334.72/94,304.25 = 39,652.17/x
  3. Step 3: Cross multiply
    68,334.72x = 94,304.25 × 39,652.17
  4. Step 4: Simplify right side
    68,334.72x = 3,739,368,152.72
  5. Step 5: Solve for x
    x = 3,739,368,152.72/68,334.72
  6. Step 6: Final answer
    x = 54,721.35

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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.