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Finding the Fourth Proportional to 12,266.87, 18,400.26 and 3,032.87

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Solution

The fourth proportional to 12,266.87, 18,400.26 and 3,032.87 is: 4,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.87 : 18,400.26 = 3,032.87 : x
  2. Step 2: Convert to fraction form
    12,266.87/18,400.26 = 3,032.87/x
  3. Step 3: Cross multiply
    12,266.87x = 18,400.26 × 3,032.87
  4. Step 4: Simplify right side
    12,266.87x = 55,805,596.55
  5. Step 5: Solve for x
    x = 55,805,596.55/12,266.87
  6. Step 6: Final answer
    x = 4,549.29

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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.