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Finding the Fourth Proportional to 48,647.50, 67,133.56 and 26,291.50

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Solution

The fourth proportional to 48,647.50, 67,133.56 and 26,291.50 is: 36,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.50 : 67,133.56 = 26,291.50 : x
  2. Step 2: Convert to fraction form
    48,647.50/67,133.56 = 26,291.50/x
  3. Step 3: Cross multiply
    48,647.50x = 67,133.56 × 26,291.50
  4. Step 4: Simplify right side
    48,647.50x = 1,765,041,992.74
  5. Step 5: Solve for x
    x = 1,765,041,992.74/48,647.50
  6. Step 6: Final answer
    x = 36,282.28

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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.