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Finding the Fourth Proportional to 48,987.89, 67,599.11 and 33,093.87

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Solution

The fourth proportional to 48,987.89, 67,599.11 and 33,093.87 is: 45,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.89 : 67,599.11 = 33,093.87 : x
  2. Step 2: Convert to fraction form
    48,987.89/67,599.11 = 33,093.87/x
  3. Step 3: Cross multiply
    48,987.89x = 67,599.11 × 33,093.87
  4. Step 4: Simplify right side
    48,987.89x = 2,237,115,801.54
  5. Step 5: Solve for x
    x = 2,237,115,801.54/48,987.89
  6. Step 6: Final answer
    x = 45,666.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.