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Finding the Fourth Proportional to 73,877.62, 110,816.43 and 18,473.62

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Solution

The fourth proportional to 73,877.62, 110,816.43 and 18,473.62 is: 27,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,877.62 : 110,816.43 = 18,473.62 : x
  2. Step 2: Convert to fraction form
    73,877.62/110,816.43 = 18,473.62/x
  3. Step 3: Cross multiply
    73,877.62x = 110,816.43 × 18,473.62
  4. Step 4: Simplify right side
    73,877.62x = 2,047,180,617.58
  5. Step 5: Solve for x
    x = 2,047,180,617.58/73,877.62
  6. Step 6: Final answer
    x = 27,710.43

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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.