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Finding the Fourth Proportional to 48,809.80, 73,214.70 and 44,144.20

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Solution

The fourth proportional to 48,809.80, 73,214.70 and 44,144.20 is: 66,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.80 : 73,214.70 = 44,144.20 : x
  2. Step 2: Convert to fraction form
    48,809.80/73,214.70 = 44,144.20/x
  3. Step 3: Cross multiply
    48,809.80x = 73,214.70 × 44,144.20
  4. Step 4: Simplify right side
    48,809.80x = 3,232,004,359.74
  5. Step 5: Solve for x
    x = 3,232,004,359.74/48,809.80
  6. Step 6: Final answer
    x = 66,216.30

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1.5x scale

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.