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Finding the Fourth Proportional to 7,238.79, 10,859.00 and 2,045.07

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Solution

The fourth proportional to 7,238.79, 10,859.00 and 2,045.07 is: 3,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.79 : 10,859.00 = 2,045.07 : x
  2. Step 2: Convert to fraction form
    7,238.79/10,859.00 = 2,045.07/x
  3. Step 3: Cross multiply
    7,238.79x = 10,859.00 × 2,045.07
  4. Step 4: Simplify right side
    7,238.79x = 22,207,404.90
  5. Step 5: Solve for x
    x = 22,207,404.90/7,238.79
  6. Step 6: Final answer
    x = 3,067.83

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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.