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Finding the Fourth Proportional to 6,891.62, 10,337.45 and 1,697.49

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Solution

The fourth proportional to 6,891.62, 10,337.45 and 1,697.49 is: 2,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.62 : 10,337.45 = 1,697.49 : x
  2. Step 2: Convert to fraction form
    6,891.62/10,337.45 = 1,697.49/x
  3. Step 3: Cross multiply
    6,891.62x = 10,337.45 × 1,697.49
  4. Step 4: Simplify right side
    6,891.62x = 17,547,709.51
  5. Step 5: Solve for x
    x = 17,547,709.51/6,891.62
  6. Step 6: Final answer
    x = 2,546.24

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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.