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Finding the Fourth Proportional to 1,135.91, 1,702.96 and 1,044.79

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Solution

The fourth proportional to 1,135.91, 1,702.96 and 1,044.79 is: 1,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.91 : 1,702.96 = 1,044.79 : x
  2. Step 2: Convert to fraction form
    1,135.91/1,702.96 = 1,044.79/x
  3. Step 3: Cross multiply
    1,135.91x = 1,702.96 × 1,044.79
  4. Step 4: Simplify right side
    1,135.91x = 1,779,235.58
  5. Step 5: Solve for x
    x = 1,779,235.58/1,135.91
  6. Step 6: Final answer
    x = 1,566.35

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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.