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Finding the Fourth Proportional to 27,292.97, 40,930.74 and 10,648.95

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Solution

The fourth proportional to 27,292.97, 40,930.74 and 10,648.95 is: 15,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,292.97 : 40,930.74 = 10,648.95 : x
  2. Step 2: Convert to fraction form
    27,292.97/40,930.74 = 10,648.95/x
  3. Step 3: Cross multiply
    27,292.97x = 40,930.74 × 10,648.95
  4. Step 4: Simplify right side
    27,292.97x = 435,869,403.72
  5. Step 5: Solve for x
    x = 435,869,403.72/27,292.97
  6. Step 6: Final answer
    x = 15,970.03

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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.