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Finding the Fourth Proportional to 18,292.32, 27,394.74 and 17,373.78

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Solution

The fourth proportional to 18,292.32, 27,394.74 and 17,373.78 is: 26,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.32 : 27,394.74 = 17,373.78 : x
  2. Step 2: Convert to fraction form
    18,292.32/27,394.74 = 17,373.78/x
  3. Step 3: Cross multiply
    18,292.32x = 27,394.74 × 17,373.78
  4. Step 4: Simplify right side
    18,292.32x = 475,950,185.92
  5. Step 5: Solve for x
    x = 475,950,185.92/18,292.32
  6. Step 6: Final answer
    x = 26,019.13

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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.