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Finding the Fourth Proportional to 48,259.26, 72,362.97 and 21,969.90

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Solution

The fourth proportional to 48,259.26, 72,362.97 and 21,969.90 is: 32,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,259.26 : 72,362.97 = 21,969.90 : x
  2. Step 2: Convert to fraction form
    48,259.26/72,362.97 = 21,969.90/x
  3. Step 3: Cross multiply
    48,259.26x = 72,362.97 × 21,969.90
  4. Step 4: Simplify right side
    48,259.26x = 1,589,807,214.60
  5. Step 5: Solve for x
    x = 1,589,807,214.60/48,259.26
  6. Step 6: Final answer
    x = 32,943.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.