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Finding the Fourth Proportional to 11,882.98, 17,818.47 and 6,954.10

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Solution

The fourth proportional to 11,882.98, 17,818.47 and 6,954.10 is: 10,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.98 : 17,818.47 = 6,954.10 : x
  2. Step 2: Convert to fraction form
    11,882.98/17,818.47 = 6,954.10/x
  3. Step 3: Cross multiply
    11,882.98x = 17,818.47 × 6,954.10
  4. Step 4: Simplify right side
    11,882.98x = 123,911,422.23
  5. Step 5: Solve for x
    x = 123,911,422.23/11,882.98
  6. Step 6: Final answer
    x = 10,427.64

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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.