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Finding the Fourth Proportional to 27,344.80, 40,930.80 and 26,480.80

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Solution

The fourth proportional to 27,344.80, 40,930.80 and 26,480.80 is: 39,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,344.80 : 40,930.80 = 26,480.80 : x
  2. Step 2: Convert to fraction form
    27,344.80/40,930.80 = 26,480.80/x
  3. Step 3: Cross multiply
    27,344.80x = 40,930.80 × 26,480.80
  4. Step 4: Simplify right side
    27,344.80x = 1,083,880,328.64
  5. Step 5: Solve for x
    x = 1,083,880,328.64/27,344.80
  6. Step 6: Final answer
    x = 39,637.53

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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.