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Finding the Fourth Proportional to 36,745.57, 55,118.36 and 9,043.57

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Solution

The fourth proportional to 36,745.57, 55,118.36 and 9,043.57 is: 13,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,745.57 : 55,118.36 = 9,043.57 : x
  2. Step 2: Convert to fraction form
    36,745.57/55,118.36 = 9,043.57/x
  3. Step 3: Cross multiply
    36,745.57x = 55,118.36 × 9,043.57
  4. Step 4: Simplify right side
    36,745.57x = 498,466,746.95
  5. Step 5: Solve for x
    x = 498,466,746.95/36,745.57
  6. Step 6: Final answer
    x = 13,565.36

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Double scale
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Similar ratio
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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.