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Finding the Fourth Proportional to 27,307.39, 40,960.68 and 8,839.39

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Solution

The fourth proportional to 27,307.39, 40,960.68 and 8,839.39 is: 13,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.39 : 40,960.68 = 8,839.39 : x
  2. Step 2: Convert to fraction form
    27,307.39/40,960.68 = 8,839.39/x
  3. Step 3: Cross multiply
    27,307.39x = 40,960.68 × 8,839.39
  4. Step 4: Simplify right side
    27,307.39x = 362,067,425.19
  5. Step 5: Solve for x
    x = 362,067,425.19/27,307.39
  6. Step 6: Final answer
    x = 13,258.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.