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Finding the Fourth Proportional to 48,753.44, 73,130.16 and 11,817.44

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Solution

The fourth proportional to 48,753.44, 73,130.16 and 11,817.44 is: 17,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,753.44 : 73,130.16 = 11,817.44 : x
  2. Step 2: Convert to fraction form
    48,753.44/73,130.16 = 11,817.44/x
  3. Step 3: Cross multiply
    48,753.44x = 73,130.16 × 11,817.44
  4. Step 4: Simplify right side
    48,753.44x = 864,211,277.99
  5. Step 5: Solve for x
    x = 864,211,277.99/48,753.44
  6. Step 6: Final answer
    x = 17,726.16

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Similar ratio
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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.