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Finding the Fourth Proportional to 68,284.80, 94,233.60 and 38,073.60

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Solution

The fourth proportional to 68,284.80, 94,233.60 and 38,073.60 is: 52,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,284.80 : 94,233.60 = 38,073.60 : x
  2. Step 2: Convert to fraction form
    68,284.80/94,233.60 = 38,073.60/x
  3. Step 3: Cross multiply
    68,284.80x = 94,233.60 × 38,073.60
  4. Step 4: Simplify right side
    68,284.80x = 3,587,812,392.96
  5. Step 5: Solve for x
    x = 3,587,812,392.96/68,284.80
  6. Step 6: Final answer
    x = 52,541.89

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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.