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Finding the Fourth Proportional to 74,879.12, 112,281.12 and 24,941.66

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Solution

The fourth proportional to 74,879.12, 112,281.12 and 24,941.66 is: 37,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,879.12 : 112,281.12 = 24,941.66 : x
  2. Step 2: Convert to fraction form
    74,879.12/112,281.12 = 24,941.66/x
  3. Step 3: Cross multiply
    74,879.12x = 112,281.12 × 24,941.66
  4. Step 4: Simplify right side
    74,879.12x = 2,800,477,519.46
  5. Step 5: Solve for x
    x = 2,800,477,519.46/74,879.12
  6. Step 6: Final answer
    x = 37,399.98

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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.