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Finding the Fourth Proportional to 18,298.71, 25,251.99 and 10,743.74

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Solution

The fourth proportional to 18,298.71, 25,251.99 and 10,743.74 is: 14,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.71 : 25,251.99 = 10,743.74 : x
  2. Step 2: Convert to fraction form
    18,298.71/25,251.99 = 10,743.74/x
  3. Step 3: Cross multiply
    18,298.71x = 25,251.99 × 10,743.74
  4. Step 4: Simplify right side
    18,298.71x = 271,300,743.19
  5. Step 5: Solve for x
    x = 271,300,743.19/18,298.71
  6. Step 6: Final answer
    x = 14,826.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.