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Finding the Fourth Proportional to 12,754.71, 19,099.17 and 10,244.19

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Solution

The fourth proportional to 12,754.71, 19,099.17 and 10,244.19 is: 15,339.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.71 : 19,099.17 = 10,244.19 : x
  2. Step 2: Convert to fraction form
    12,754.71/19,099.17 = 10,244.19/x
  3. Step 3: Cross multiply
    12,754.71x = 19,099.17 × 10,244.19
  4. Step 4: Simplify right side
    12,754.71x = 195,655,526.32
  5. Step 5: Solve for x
    x = 195,655,526.32/12,754.71
  6. Step 6: Final answer
    x = 15,339.86

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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.