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Finding the Fourth Proportional to 1,686, 2,527.02 and 1,034.76

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Solution

The fourth proportional to 1,686, 2,527.02 and 1,034.76 is: 1,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686 : 2,527.02 = 1,034.76 : x
  2. Step 2: Convert to fraction form
    1,686/2,527.02 = 1,034.76/x
  3. Step 3: Cross multiply
    1,686x = 2,527.02 × 1,034.76
  4. Step 4: Simplify right side
    1,686x = 2,614,859.22
  5. Step 5: Solve for x
    x = 2,614,859.22/1,686
  6. Step 6: Final answer
    x = 1,550.92

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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.