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Finding the Fourth Proportional to 17,214.61, 25,822.12 and 6,685.22

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Solution

The fourth proportional to 17,214.61, 25,822.12 and 6,685.22 is: 10,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,214.61 : 25,822.12 = 6,685.22 : x
  2. Step 2: Convert to fraction form
    17,214.61/25,822.12 = 6,685.22/x
  3. Step 3: Cross multiply
    17,214.61x = 25,822.12 × 6,685.22
  4. Step 4: Simplify right side
    17,214.61x = 172,626,449.39
  5. Step 5: Solve for x
    x = 172,626,449.39/17,214.61
  6. Step 6: Final answer
    x = 10,027.90

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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.