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Finding the Fourth Proportional to 48,911, 67,497.27 and 26,555

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Solution

The fourth proportional to 48,911, 67,497.27 and 26,555 is: 36,645.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,911 : 67,497.27 = 26,555 : x
  2. Step 2: Convert to fraction form
    48,911/67,497.27 = 26,555/x
  3. Step 3: Cross multiply
    48,911x = 67,497.27 × 26,555
  4. Step 4: Simplify right side
    48,911x = 1,792,390,004.85
  5. Step 5: Solve for x
    x = 1,792,390,004.85/48,911
  6. Step 6: Final answer
    x = 36,645.95

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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.