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Finding the Fourth Proportional to 7,584.84, 11,378.52 and 2,391.84

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Solution

The fourth proportional to 7,584.84, 11,378.52 and 2,391.84 is: 3,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.84 : 11,378.52 = 2,391.84 : x
  2. Step 2: Convert to fraction form
    7,584.84/11,378.52 = 2,391.84/x
  3. Step 3: Cross multiply
    7,584.84x = 11,378.52 × 2,391.84
  4. Step 4: Simplify right side
    7,584.84x = 27,215,599.28
  5. Step 5: Solve for x
    x = 27,215,599.28/7,584.84
  6. Step 6: Final answer
    x = 3,588.16

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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.