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Finding the Fourth Proportional to 48,647.40, 67,133.50 and 26,291.40

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Solution

The fourth proportional to 48,647.40, 67,133.50 and 26,291.40 is: 36,282.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.40 : 67,133.50 = 26,291.40 : x
  2. Step 2: Convert to fraction form
    48,647.40/67,133.50 = 26,291.40/x
  3. Step 3: Cross multiply
    48,647.40x = 67,133.50 × 26,291.40
  4. Step 4: Simplify right side
    48,647.40x = 1,765,033,701.90
  5. Step 5: Solve for x
    x = 1,765,033,701.90/48,647.40
  6. Step 6: Final answer
    x = 36,282.18

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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.