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Finding the Fourth Proportional to 5,651.08, 8,435.05 and 5,254.92

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Solution

The fourth proportional to 5,651.08, 8,435.05 and 5,254.92 is: 7,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.08 : 8,435.05 = 5,254.92 : x
  2. Step 2: Convert to fraction form
    5,651.08/8,435.05 = 5,254.92/x
  3. Step 3: Cross multiply
    5,651.08x = 8,435.05 × 5,254.92
  4. Step 4: Simplify right side
    5,651.08x = 44,325,512.95
  5. Step 5: Solve for x
    x = 44,325,512.95/5,651.08
  6. Step 6: Final answer
    x = 7,843.72

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Half scale
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Double scale
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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.