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Finding the Fourth Proportional to 9,195.76, 13,702.32 and 8,749.44

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Solution

The fourth proportional to 9,195.76, 13,702.32 and 8,749.44 is: 13,037.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.76 : 13,702.32 = 8,749.44 : x
  2. Step 2: Convert to fraction form
    9,195.76/13,702.32 = 8,749.44/x
  3. Step 3: Cross multiply
    9,195.76x = 13,702.32 × 8,749.44
  4. Step 4: Simplify right side
    9,195.76x = 119,887,626.70
  5. Step 5: Solve for x
    x = 119,887,626.70/9,195.76
  6. Step 6: Final answer
    x = 13,037.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.