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Finding the Fourth Proportional to 8,403.01, 12,608.86 and 3,726.25

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Solution

The fourth proportional to 8,403.01, 12,608.86 and 3,726.25 is: 5,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.01 : 12,608.86 = 3,726.25 : x
  2. Step 2: Convert to fraction form
    8,403.01/12,608.86 = 3,726.25/x
  3. Step 3: Cross multiply
    8,403.01x = 12,608.86 × 3,726.25
  4. Step 4: Simplify right side
    8,403.01x = 46,983,764.58
  5. Step 5: Solve for x
    x = 46,983,764.58/8,403.01
  6. Step 6: Final answer
    x = 5,591.30

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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.