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Finding the Fourth Proportional to 8,751.13, 12,076.88 and 4,974.93

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Solution

The fourth proportional to 8,751.13, 12,076.88 and 4,974.93 is: 6,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.13 : 12,076.88 = 4,974.93 : x
  2. Step 2: Convert to fraction form
    8,751.13/12,076.88 = 4,974.93/x
  3. Step 3: Cross multiply
    8,751.13x = 12,076.88 × 4,974.93
  4. Step 4: Simplify right side
    8,751.13x = 60,081,607.74
  5. Step 5: Solve for x
    x = 60,081,607.74/8,751.13
  6. Step 6: Final answer
    x = 6,865.58

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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.