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Finding the Fourth Proportional to 17,818.68, 26,720.12 and 9,497.15

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Solution

The fourth proportional to 17,818.68, 26,720.12 and 9,497.15 is: 14,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.68 : 26,720.12 = 9,497.15 : x
  2. Step 2: Convert to fraction form
    17,818.68/26,720.12 = 9,497.15/x
  3. Step 3: Cross multiply
    17,818.68x = 26,720.12 × 9,497.15
  4. Step 4: Simplify right side
    17,818.68x = 253,764,806.57
  5. Step 5: Solve for x
    x = 253,764,806.57/17,818.68
  6. Step 6: Final answer
    x = 14,241.50

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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.