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Finding the Fourth Proportional to 45,338.66, 67,879.67 and 34,652.77

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Solution

The fourth proportional to 45,338.66, 67,879.67 and 34,652.77 is: 51,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.66 : 67,879.67 = 34,652.77 : x
  2. Step 2: Convert to fraction form
    45,338.66/67,879.67 = 34,652.77/x
  3. Step 3: Cross multiply
    45,338.66x = 67,879.67 × 34,652.77
  4. Step 4: Simplify right side
    45,338.66x = 2,352,218,677.04
  5. Step 5: Solve for x
    x = 2,352,218,677.04/45,338.66
  6. Step 6: Final answer
    x = 51,881.08

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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.