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Finding the Fourth Proportional to 27,330.80, 40,963.80 and 11,535.80

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Solution

The fourth proportional to 27,330.80, 40,963.80 and 11,535.80 is: 17,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,330.80 : 40,963.80 = 11,535.80 : x
  2. Step 2: Convert to fraction form
    27,330.80/40,963.80 = 11,535.80/x
  3. Step 3: Cross multiply
    27,330.80x = 40,963.80 × 11,535.80
  4. Step 4: Simplify right side
    27,330.80x = 472,550,204.04
  5. Step 5: Solve for x
    x = 472,550,204.04/27,330.80
  6. Step 6: Final answer
    x = 17,290.02

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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.