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Finding the Fourth Proportional to 18,594.47, 27,895.15 and 6,118.11

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Solution

The fourth proportional to 18,594.47, 27,895.15 and 6,118.11 is: 9,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.47 : 27,895.15 = 6,118.11 : x
  2. Step 2: Convert to fraction form
    18,594.47/27,895.15 = 6,118.11/x
  3. Step 3: Cross multiply
    18,594.47x = 27,895.15 × 6,118.11
  4. Step 4: Simplify right side
    18,594.47x = 170,665,596.17
  5. Step 5: Solve for x
    x = 170,665,596.17/18,594.47
  6. Step 6: Final answer
    x = 9,178.30

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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.