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Finding the Fourth Proportional to 18,679.95, 27,937.31 and 16,614.45

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Solution

The fourth proportional to 18,679.95, 27,937.31 and 16,614.45 is: 24,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.95 : 27,937.31 = 16,614.45 : x
  2. Step 2: Convert to fraction form
    18,679.95/27,937.31 = 16,614.45/x
  3. Step 3: Cross multiply
    18,679.95x = 27,937.31 × 16,614.45
  4. Step 4: Simplify right side
    18,679.95x = 464,162,957.06
  5. Step 5: Solve for x
    x = 464,162,957.06/18,679.95
  6. Step 6: Final answer
    x = 24,848.19

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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.