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Finding the Fourth Proportional to 7,392.87, 11,089.17 and 3,009.29

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Solution

The fourth proportional to 7,392.87, 11,089.17 and 3,009.29 is: 4,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.87 : 11,089.17 = 3,009.29 : x
  2. Step 2: Convert to fraction form
    7,392.87/11,089.17 = 3,009.29/x
  3. Step 3: Cross multiply
    7,392.87x = 11,089.17 × 3,009.29
  4. Step 4: Simplify right side
    7,392.87x = 33,370,472.94
  5. Step 5: Solve for x
    x = 33,370,472.94/7,392.87
  6. Step 6: Final answer
    x = 4,513.87

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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.