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Finding the Fourth Proportional to 48,334.40, 72,647.40 and 41,919.20

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Solution

The fourth proportional to 48,334.40, 72,647.40 and 41,919.20 is: 63,005.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,334.40 : 72,647.40 = 41,919.20 : x
  2. Step 2: Convert to fraction form
    48,334.40/72,647.40 = 41,919.20/x
  3. Step 3: Cross multiply
    48,334.40x = 72,647.40 × 41,919.20
  4. Step 4: Simplify right side
    48,334.40x = 3,045,320,890.08
  5. Step 5: Solve for x
    x = 3,045,320,890.08/48,334.40
  6. Step 6: Final answer
    x = 63,005.25

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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.