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Finding the Fourth Proportional to 36,879.52, 55,319.80 and 9,177.52

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Solution

The fourth proportional to 36,879.52, 55,319.80 and 9,177.52 is: 13,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879.52 : 55,319.80 = 9,177.52 : x
  2. Step 2: Convert to fraction form
    36,879.52/55,319.80 = 9,177.52/x
  3. Step 3: Cross multiply
    36,879.52x = 55,319.80 × 9,177.52
  4. Step 4: Simplify right side
    36,879.52x = 507,698,570.90
  5. Step 5: Solve for x
    x = 507,698,570.90/36,879.52
  6. Step 6: Final answer
    x = 13,766.41

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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.