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Finding the Fourth Proportional to 8,369.12, 11,549.97 and 4,784.61

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Solution

The fourth proportional to 8,369.12, 11,549.97 and 4,784.61 is: 6,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.12 : 11,549.97 = 4,784.61 : x
  2. Step 2: Convert to fraction form
    8,369.12/11,549.97 = 4,784.61/x
  3. Step 3: Cross multiply
    8,369.12x = 11,549.97 × 4,784.61
  4. Step 4: Simplify right side
    8,369.12x = 55,262,101.96
  5. Step 5: Solve for x
    x = 55,262,101.96/8,369.12
  6. Step 6: Final answer
    x = 6,603.10

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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.