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Finding the Fourth Proportional to 8,804.64, 13,208.93 and 2,961.09

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Solution

The fourth proportional to 8,804.64, 13,208.93 and 2,961.09 is: 4,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.64 : 13,208.93 = 2,961.09 : x
  2. Step 2: Convert to fraction form
    8,804.64/13,208.93 = 2,961.09/x
  3. Step 3: Cross multiply
    8,804.64x = 13,208.93 × 2,961.09
  4. Step 4: Simplify right side
    8,804.64x = 39,112,830.53
  5. Step 5: Solve for x
    x = 39,112,830.53/8,804.64
  6. Step 6: Final answer
    x = 4,442.30

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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.