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Finding the Fourth Proportional to 19,675.82, 27,152.97 and 10,723.82

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Solution

The fourth proportional to 19,675.82, 27,152.97 and 10,723.82 is: 14,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.82 : 27,152.97 = 10,723.82 : x
  2. Step 2: Convert to fraction form
    19,675.82/27,152.97 = 10,723.82/x
  3. Step 3: Cross multiply
    19,675.82x = 27,152.97 × 10,723.82
  4. Step 4: Simplify right side
    19,675.82x = 291,183,523.46
  5. Step 5: Solve for x
    x = 291,183,523.46/19,675.82
  6. Step 6: Final answer
    x = 14,799.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.