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Finding the Fourth Proportional to 18,473.77, 27,712.02 and 5,327.17

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Solution

The fourth proportional to 18,473.77, 27,712.02 and 5,327.17 is: 7,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.77 : 27,712.02 = 5,327.17 : x
  2. Step 2: Convert to fraction form
    18,473.77/27,712.02 = 5,327.17/x
  3. Step 3: Cross multiply
    18,473.77x = 27,712.02 × 5,327.17
  4. Step 4: Simplify right side
    18,473.77x = 147,626,592.28
  5. Step 5: Solve for x
    x = 147,626,592.28/18,473.77
  6. Step 6: Final answer
    x = 7,991.15

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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.