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Finding the Fourth Proportional to 19,337.31, 29,010.83 and 5,486.31

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Solution

The fourth proportional to 19,337.31, 29,010.83 and 5,486.31 is: 8,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.31 : 29,010.83 = 5,486.31 : x
  2. Step 2: Convert to fraction form
    19,337.31/29,010.83 = 5,486.31/x
  3. Step 3: Cross multiply
    19,337.31x = 29,010.83 × 5,486.31
  4. Step 4: Simplify right side
    19,337.31x = 159,162,479.26
  5. Step 5: Solve for x
    x = 159,162,479.26/19,337.31
  6. Step 6: Final answer
    x = 8,230.85

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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.