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Finding the Fourth Proportional to 19,995.88, 29,960.98 and 6,841.08

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Solution

The fourth proportional to 19,995.88, 29,960.98 and 6,841.08 is: 10,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.88 : 29,960.98 = 6,841.08 : x
  2. Step 2: Convert to fraction form
    19,995.88/29,960.98 = 6,841.08/x
  3. Step 3: Cross multiply
    19,995.88x = 29,960.98 × 6,841.08
  4. Step 4: Simplify right side
    19,995.88x = 204,965,461.06
  5. Step 5: Solve for x
    x = 204,965,461.06/19,995.88
  6. Step 6: Final answer
    x = 10,250.38

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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.