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Finding the Fourth Proportional to 40,879.90, 56,404.41 and 23,874.49

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Solution

The fourth proportional to 40,879.90, 56,404.41 and 23,874.49 is: 32,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.90 : 56,404.41 = 23,874.49 : x
  2. Step 2: Convert to fraction form
    40,879.90/56,404.41 = 23,874.49/x
  3. Step 3: Cross multiply
    40,879.90x = 56,404.41 × 23,874.49
  4. Step 4: Simplify right side
    40,879.90x = 1,346,626,291.96
  5. Step 5: Solve for x
    x = 1,346,626,291.96/40,879.90
  6. Step 6: Final answer
    x = 32,941.04

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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.