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Finding the Fourth Proportional to 7,238.91, 10,859.90 and 2,308.96

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Solution

The fourth proportional to 7,238.91, 10,859.90 and 2,308.96 is: 3,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.91 : 10,859.90 = 2,308.96 : x
  2. Step 2: Convert to fraction form
    7,238.91/10,859.90 = 2,308.96/x
  3. Step 3: Cross multiply
    7,238.91x = 10,859.90 × 2,308.96
  4. Step 4: Simplify right side
    7,238.91x = 25,075,074.70
  5. Step 5: Solve for x
    x = 25,075,074.70/7,238.91
  6. Step 6: Final answer
    x = 3,463.93

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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.