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Finding the Fourth Proportional to 48,559.03, 72,847.73 and 18,974.99

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Solution

The fourth proportional to 48,559.03, 72,847.73 and 18,974.99 is: 28,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.03 : 72,847.73 = 18,974.99 : x
  2. Step 2: Convert to fraction form
    48,559.03/72,847.73 = 18,974.99/x
  3. Step 3: Cross multiply
    48,559.03x = 72,847.73 × 18,974.99
  4. Step 4: Simplify right side
    48,559.03x = 1,382,284,853.40
  5. Step 5: Solve for x
    x = 1,382,284,853.40/48,559.03
  6. Step 6: Final answer
    x = 28,466.08

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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.