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Finding the Fourth Proportional to 8,837.78, 12,195.74 and 4,858.64

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Solution

The fourth proportional to 8,837.78, 12,195.74 and 4,858.64 is: 6,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.78 : 12,195.74 = 4,858.64 : x
  2. Step 2: Convert to fraction form
    8,837.78/12,195.74 = 4,858.64/x
  3. Step 3: Cross multiply
    8,837.78x = 12,195.74 × 4,858.64
  4. Step 4: Simplify right side
    8,837.78x = 59,254,710.19
  5. Step 5: Solve for x
    x = 59,254,710.19/8,837.78
  6. Step 6: Final answer
    x = 6,704.71

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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.