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Finding the Fourth Proportional to 18,357.94, 27,398.05 and 16,586.47

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Solution

The fourth proportional to 18,357.94, 27,398.05 and 16,586.47 is: 24,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.94 : 27,398.05 = 16,586.47 : x
  2. Step 2: Convert to fraction form
    18,357.94/27,398.05 = 16,586.47/x
  3. Step 3: Cross multiply
    18,357.94x = 27,398.05 × 16,586.47
  4. Step 4: Simplify right side
    18,357.94x = 454,436,797.39
  5. Step 5: Solve for x
    x = 454,436,797.39/18,357.94
  6. Step 6: Final answer
    x = 24,754.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.