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Finding the Fourth Proportional to 1,500, 2,246.76 and 1,134.96

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Solution

The fourth proportional to 1,500, 2,246.76 and 1,134.96 is: 1,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500 : 2,246.76 = 1,134.96 : x
  2. Step 2: Convert to fraction form
    1,500/2,246.76 = 1,134.96/x
  3. Step 3: Cross multiply
    1,500x = 2,246.76 × 1,134.96
  4. Step 4: Simplify right side
    1,500x = 2,549,982.73
  5. Step 5: Solve for x
    x = 2,549,982.73/1,500
  6. Step 6: Final answer
    x = 1,699.99

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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.