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Finding the Fourth Proportional to 48,443.00, 72,697.70 and 18,860.99

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Solution

The fourth proportional to 48,443.00, 72,697.70 and 18,860.99 is: 28,304.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,443.00 : 72,697.70 = 18,860.99 : x
  2. Step 2: Convert to fraction form
    48,443.00/72,697.70 = 18,860.99/x
  3. Step 3: Cross multiply
    48,443.00x = 72,697.70 × 18,860.99
  4. Step 4: Simplify right side
    48,443.00x = 1,371,150,276.39
  5. Step 5: Solve for x
    x = 1,371,150,276.39/48,443.00
  6. Step 6: Final answer
    x = 28,304.41

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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.