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Finding the Fourth Proportional to 45,268.76, 67,814.84 and 29,639

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Solution

The fourth proportional to 45,268.76, 67,814.84 and 29,639 is: 44,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,268.76 : 67,814.84 = 29,639 : x
  2. Step 2: Convert to fraction form
    45,268.76/67,814.84 = 29,639/x
  3. Step 3: Cross multiply
    45,268.76x = 67,814.84 × 29,639
  4. Step 4: Simplify right side
    45,268.76x = 2,009,964,042.76
  5. Step 5: Solve for x
    x = 2,009,964,042.76/45,268.76
  6. Step 6: Final answer
    x = 44,400.69

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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.