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Finding the Fourth Proportional to 12,362.75, 18,544.17 and 4,154.75

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Solution

The fourth proportional to 12,362.75, 18,544.17 and 4,154.75 is: 6,232.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.75 : 18,544.17 = 4,154.75 : x
  2. Step 2: Convert to fraction form
    12,362.75/18,544.17 = 4,154.75/x
  3. Step 3: Cross multiply
    12,362.75x = 18,544.17 × 4,154.75
  4. Step 4: Simplify right side
    12,362.75x = 77,046,390.31
  5. Step 5: Solve for x
    x = 77,046,390.31/12,362.75
  6. Step 6: Final answer
    x = 6,232.14

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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.