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Finding the Fourth Proportional to 19,998.52, 29,998.50 and 10,110.04

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Solution

The fourth proportional to 19,998.52, 29,998.50 and 10,110.04 is: 15,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.52 : 29,998.50 = 10,110.04 : x
  2. Step 2: Convert to fraction form
    19,998.52/29,998.50 = 10,110.04/x
  3. Step 3: Cross multiply
    19,998.52x = 29,998.50 × 10,110.04
  4. Step 4: Simplify right side
    19,998.52x = 303,286,034.94
  5. Step 5: Solve for x
    x = 303,286,034.94/19,998.52
  6. Step 6: Final answer
    x = 15,165.42

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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.