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Finding the Fourth Proportional to 19,800.29, 29,697.26 and 7,326.29

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Solution

The fourth proportional to 19,800.29, 29,697.26 and 7,326.29 is: 10,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.29 : 29,697.26 = 7,326.29 : x
  2. Step 2: Convert to fraction form
    19,800.29/29,697.26 = 7,326.29/x
  3. Step 3: Cross multiply
    19,800.29x = 29,697.26 × 7,326.29
  4. Step 4: Simplify right side
    19,800.29x = 217,570,553.85
  5. Step 5: Solve for x
    x = 217,570,553.85/19,800.29
  6. Step 6: Final answer
    x = 10,988.25

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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.