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Finding the Fourth Proportional to 18,396.63, 27,595.01 and 4,545.63

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Solution

The fourth proportional to 18,396.63, 27,595.01 and 4,545.63 is: 6,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.63 : 27,595.01 = 4,545.63 : x
  2. Step 2: Convert to fraction form
    18,396.63/27,595.01 = 4,545.63/x
  3. Step 3: Cross multiply
    18,396.63x = 27,595.01 × 4,545.63
  4. Step 4: Simplify right side
    18,396.63x = 125,436,705.31
  5. Step 5: Solve for x
    x = 125,436,705.31/18,396.63
  6. Step 6: Final answer
    x = 6,818.46

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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.