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Finding the Fourth Proportional to 8,908.03, 12,292.97 and 4,928.90

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Solution

The fourth proportional to 8,908.03, 12,292.97 and 4,928.90 is: 6,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.03 : 12,292.97 = 4,928.90 : x
  2. Step 2: Convert to fraction form
    8,908.03/12,292.97 = 4,928.90/x
  3. Step 3: Cross multiply
    8,908.03x = 12,292.97 × 4,928.90
  4. Step 4: Simplify right side
    8,908.03x = 60,590,802.87
  5. Step 5: Solve for x
    x = 60,590,802.87/8,908.03
  6. Step 6: Final answer
    x = 6,801.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.