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Finding the Fourth Proportional to 1,134.91, 1,701.46 and 1,043.79

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Solution

The fourth proportional to 1,134.91, 1,701.46 and 1,043.79 is: 1,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.91 : 1,701.46 = 1,043.79 : x
  2. Step 2: Convert to fraction form
    1,134.91/1,701.46 = 1,043.79/x
  3. Step 3: Cross multiply
    1,134.91x = 1,701.46 × 1,043.79
  4. Step 4: Simplify right side
    1,134.91x = 1,775,966.93
  5. Step 5: Solve for x
    x = 1,775,966.93/1,134.91
  6. Step 6: Final answer
    x = 1,564.85

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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.