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Finding the Fourth Proportional to 48,747, 67,270.87 and 26,391

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Solution

The fourth proportional to 48,747, 67,270.87 and 26,391 is: 36,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,747 : 67,270.87 = 26,391 : x
  2. Step 2: Convert to fraction form
    48,747/67,270.87 = 26,391/x
  3. Step 3: Cross multiply
    48,747x = 67,270.87 × 26,391
  4. Step 4: Simplify right side
    48,747x = 1,775,345,530.17
  5. Step 5: Solve for x
    x = 1,775,345,530.17/48,747
  6. Step 6: Final answer
    x = 36,419.59

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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.