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Finding the Fourth Proportional to 17,697.92, 26,547.12 and 4,550.31

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Solution

The fourth proportional to 17,697.92, 26,547.12 and 4,550.31 is: 6,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.92 : 26,547.12 = 4,550.31 : x
  2. Step 2: Convert to fraction form
    17,697.92/26,547.12 = 4,550.31/x
  3. Step 3: Cross multiply
    17,697.92x = 26,547.12 × 4,550.31
  4. Step 4: Simplify right side
    17,697.92x = 120,797,625.61
  5. Step 5: Solve for x
    x = 120,797,625.61/17,697.92
  6. Step 6: Final answer
    x = 6,825.53

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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.