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Finding the Fourth Proportional to 45,306.69, 67,929.03 and 23,077.05

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Solution

The fourth proportional to 45,306.69, 67,929.03 and 23,077.05 is: 34,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306.69 : 67,929.03 = 23,077.05 : x
  2. Step 2: Convert to fraction form
    45,306.69/67,929.03 = 23,077.05/x
  3. Step 3: Cross multiply
    45,306.69x = 67,929.03 × 23,077.05
  4. Step 4: Simplify right side
    45,306.69x = 1,567,601,621.76
  5. Step 5: Solve for x
    x = 1,567,601,621.76/45,306.69
  6. Step 6: Final answer
    x = 34,599.78

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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.