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Finding the Fourth Proportional to 1,891.99, 2,610.98 and 1,052.69

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Solution

The fourth proportional to 1,891.99, 2,610.98 and 1,052.69 is: 1,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.99 : 2,610.98 = 1,052.69 : x
  2. Step 2: Convert to fraction form
    1,891.99/2,610.98 = 1,052.69/x
  3. Step 3: Cross multiply
    1,891.99x = 2,610.98 × 1,052.69
  4. Step 4: Simplify right side
    1,891.99x = 2,748,552.64
  5. Step 5: Solve for x
    x = 2,748,552.64/1,891.99
  6. Step 6: Final answer
    x = 1,452.73

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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.