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Finding the Fourth Proportional to 1,134.08, 1,702.08 and 695.84

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Solution

The fourth proportional to 1,134.08, 1,702.08 and 695.84 is: 1,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.08 : 1,702.08 = 695.84 : x
  2. Step 2: Convert to fraction form
    1,134.08/1,702.08 = 695.84/x
  3. Step 3: Cross multiply
    1,134.08x = 1,702.08 × 695.84
  4. Step 4: Simplify right side
    1,134.08x = 1,184,375.35
  5. Step 5: Solve for x
    x = 1,184,375.35/1,134.08
  6. Step 6: Final answer
    x = 1,044.35

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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.