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Finding the Fourth Proportional to 8,774.84, 13,163.16 and 2,929.88

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Solution

The fourth proportional to 8,774.84, 13,163.16 and 2,929.88 is: 4,395.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.84 : 13,163.16 = 2,929.88 : x
  2. Step 2: Convert to fraction form
    8,774.84/13,163.16 = 2,929.88/x
  3. Step 3: Cross multiply
    8,774.84x = 13,163.16 × 2,929.88
  4. Step 4: Simplify right side
    8,774.84x = 38,566,479.22
  5. Step 5: Solve for x
    x = 38,566,479.22/8,774.84
  6. Step 6: Final answer
    x = 4,395.12

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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.