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Finding the Fourth Proportional to 18,313.61, 27,607.68 and 17,092.98

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Solution

The fourth proportional to 18,313.61, 27,607.68 and 17,092.98 is: 25,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.61 : 27,607.68 = 17,092.98 : x
  2. Step 2: Convert to fraction form
    18,313.61/27,607.68 = 17,092.98/x
  3. Step 3: Cross multiply
    18,313.61x = 27,607.68 × 17,092.98
  4. Step 4: Simplify right side
    18,313.61x = 471,897,522.09
  5. Step 5: Solve for x
    x = 471,897,522.09/18,313.61
  6. Step 6: Final answer
    x = 25,767.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.