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Finding the Fourth Proportional to 19,882.82, 29,824.23 and 19,445.42

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Solution

The fourth proportional to 19,882.82, 29,824.23 and 19,445.42 is: 29,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.82 : 29,824.23 = 19,445.42 : x
  2. Step 2: Convert to fraction form
    19,882.82/29,824.23 = 19,445.42/x
  3. Step 3: Cross multiply
    19,882.82x = 29,824.23 × 19,445.42
  4. Step 4: Simplify right side
    19,882.82x = 579,944,678.53
  5. Step 5: Solve for x
    x = 579,944,678.53/19,882.82
  6. Step 6: Final answer
    x = 29,168.13

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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.