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Finding the Fourth Proportional to 7,011.99, 10,514.88 and 3,724.38

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Solution

The fourth proportional to 7,011.99, 10,514.88 and 3,724.38 is: 5,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.99 : 10,514.88 = 3,724.38 : x
  2. Step 2: Convert to fraction form
    7,011.99/10,514.88 = 3,724.38/x
  3. Step 3: Cross multiply
    7,011.99x = 10,514.88 × 3,724.38
  4. Step 4: Simplify right side
    7,011.99x = 39,161,408.77
  5. Step 5: Solve for x
    x = 39,161,408.77/7,011.99
  6. Step 6: Final answer
    x = 5,584.92

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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.