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Finding the Fourth Proportional to 8,873.36, 13,307.08 and 2,949.12

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Solution

The fourth proportional to 8,873.36, 13,307.08 and 2,949.12 is: 4,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.36 : 13,307.08 = 2,949.12 : x
  2. Step 2: Convert to fraction form
    8,873.36/13,307.08 = 2,949.12/x
  3. Step 3: Cross multiply
    8,873.36x = 13,307.08 × 2,949.12
  4. Step 4: Simplify right side
    8,873.36x = 39,244,175.77
  5. Step 5: Solve for x
    x = 39,244,175.77/8,873.36
  6. Step 6: Final answer
    x = 4,422.70

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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.