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Finding the Fourth Proportional to 18,253.30, 27,411.54 and 17,422.24

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Solution

The fourth proportional to 18,253.30, 27,411.54 and 17,422.24 is: 26,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.30 : 27,411.54 = 17,422.24 : x
  2. Step 2: Convert to fraction form
    18,253.30/27,411.54 = 17,422.24/x
  3. Step 3: Cross multiply
    18,253.30x = 27,411.54 × 17,422.24
  4. Step 4: Simplify right side
    18,253.30x = 477,570,428.65
  5. Step 5: Solve for x
    x = 477,570,428.65/18,253.30
  6. Step 6: Final answer
    x = 26,163.51

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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.