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Finding the Fourth Proportional to 23,230.56, 34,863.12 and 12,862.56

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Solution

The fourth proportional to 23,230.56, 34,863.12 and 12,862.56 is: 19,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,230.56 : 34,863.12 = 12,862.56 : x
  2. Step 2: Convert to fraction form
    23,230.56/34,863.12 = 12,862.56/x
  3. Step 3: Cross multiply
    23,230.56x = 34,863.12 × 12,862.56
  4. Step 4: Simplify right side
    23,230.56x = 448,428,972.79
  5. Step 5: Solve for x
    x = 448,428,972.79/23,230.56
  6. Step 6: Final answer
    x = 19,303.41

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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.