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Finding the Fourth Proportional to 48,219.74, 72,329.63 and 21,932.00

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Solution

The fourth proportional to 48,219.74, 72,329.63 and 21,932.00 is: 32,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,219.74 : 72,329.63 = 21,932.00 : x
  2. Step 2: Convert to fraction form
    48,219.74/72,329.63 = 21,932.00/x
  3. Step 3: Cross multiply
    48,219.74x = 72,329.63 × 21,932.00
  4. Step 4: Simplify right side
    48,219.74x = 1,586,333,245.09
  5. Step 5: Solve for x
    x = 1,586,333,245.09/48,219.74
  6. Step 6: Final answer
    x = 32,898.01

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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.