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Finding the Fourth Proportional to 8,043.57, 11,100.10 and 4,506.78

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Solution

The fourth proportional to 8,043.57, 11,100.10 and 4,506.78 is: 6,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.57 : 11,100.10 = 4,506.78 : x
  2. Step 2: Convert to fraction form
    8,043.57/11,100.10 = 4,506.78/x
  3. Step 3: Cross multiply
    8,043.57x = 11,100.10 × 4,506.78
  4. Step 4: Simplify right side
    8,043.57x = 50,025,708.68
  5. Step 5: Solve for x
    x = 50,025,708.68/8,043.57
  6. Step 6: Final answer
    x = 6,219.34

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.