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Finding the Fourth Proportional to 26,687.95, 40,033.78 and 9,153.07

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Solution

The fourth proportional to 26,687.95, 40,033.78 and 9,153.07 is: 13,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.95 : 40,033.78 = 9,153.07 : x
  2. Step 2: Convert to fraction form
    26,687.95/40,033.78 = 9,153.07/x
  3. Step 3: Cross multiply
    26,687.95x = 40,033.78 × 9,153.07
  4. Step 4: Simplify right side
    26,687.95x = 366,431,867.74
  5. Step 5: Solve for x
    x = 366,431,867.74/26,687.95
  6. Step 6: Final answer
    x = 13,730.24

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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.