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Finding the Fourth Proportional to 8,668.92, 13,005.33 and 2,746.16

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Solution

The fourth proportional to 8,668.92, 13,005.33 and 2,746.16 is: 4,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.92 : 13,005.33 = 2,746.16 : x
  2. Step 2: Convert to fraction form
    8,668.92/13,005.33 = 2,746.16/x
  3. Step 3: Cross multiply
    8,668.92x = 13,005.33 × 2,746.16
  4. Step 4: Simplify right side
    8,668.92x = 35,714,703.30
  5. Step 5: Solve for x
    x = 35,714,703.30/8,668.92
  6. Step 6: Final answer
    x = 4,119.86

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1.5x scale

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.