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Finding the Fourth Proportional to 5,487.39, 8,223.93 and 4,792.41

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Solution

The fourth proportional to 5,487.39, 8,223.93 and 4,792.41 is: 7,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.39 : 8,223.93 = 4,792.41 : x
  2. Step 2: Convert to fraction form
    5,487.39/8,223.93 = 4,792.41/x
  3. Step 3: Cross multiply
    5,487.39x = 8,223.93 × 4,792.41
  4. Step 4: Simplify right side
    5,487.39x = 39,412,444.37
  5. Step 5: Solve for x
    x = 39,412,444.37/5,487.39
  6. Step 6: Final answer
    x = 7,182.37

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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.