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Finding the Fourth Proportional to 18,396.84, 27,595.44 and 4,545.84

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Solution

The fourth proportional to 18,396.84, 27,595.44 and 4,545.84 is: 6,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.84 : 27,595.44 = 4,545.84 : x
  2. Step 2: Convert to fraction form
    18,396.84/27,595.44 = 4,545.84/x
  3. Step 3: Cross multiply
    18,396.84x = 27,595.44 × 4,545.84
  4. Step 4: Simplify right side
    18,396.84x = 125,444,454.97
  5. Step 5: Solve for x
    x = 125,444,454.97/18,396.84
  6. Step 6: Final answer
    x = 6,818.80

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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.