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Finding the Fourth Proportional to 74,575.71, 111,847.37 and 24,643.98

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Solution

The fourth proportional to 74,575.71, 111,847.37 and 24,643.98 is: 36,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,575.71 : 111,847.37 = 24,643.98 : x
  2. Step 2: Convert to fraction form
    74,575.71/111,847.37 = 24,643.98/x
  3. Step 3: Cross multiply
    74,575.71x = 111,847.37 × 24,643.98
  4. Step 4: Simplify right side
    74,575.71x = 2,756,364,226.11
  5. Step 5: Solve for x
    x = 2,756,364,226.11/74,575.71
  6. Step 6: Final answer
    x = 36,960.62

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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.