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Finding the Fourth Proportional to 48,617, 67,091.52 and 26,261

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Solution

The fourth proportional to 48,617, 67,091.52 and 26,261 is: 36,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617 : 67,091.52 = 26,261 : x
  2. Step 2: Convert to fraction form
    48,617/67,091.52 = 26,261/x
  3. Step 3: Cross multiply
    48,617x = 67,091.52 × 26,261
  4. Step 4: Simplify right side
    48,617x = 1,761,890,406.72
  5. Step 5: Solve for x
    x = 1,761,890,406.72/48,617
  6. Step 6: Final answer
    x = 36,240.21

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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.