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Finding the Fourth Proportional to 19,338.38, 29,020.53 and 7,026.38

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Solution

The fourth proportional to 19,338.38, 29,020.53 and 7,026.38 is: 10,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.38 : 29,020.53 = 7,026.38 : x
  2. Step 2: Convert to fraction form
    19,338.38/29,020.53 = 7,026.38/x
  3. Step 3: Cross multiply
    19,338.38x = 29,020.53 × 7,026.38
  4. Step 4: Simplify right side
    19,338.38x = 203,909,126.48
  5. Step 5: Solve for x
    x = 203,909,126.48/19,338.38
  6. Step 6: Final answer
    x = 10,544.27

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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.