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Finding the Fourth Proportional to 8,868.84, 13,307.33 and 3,322.63

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Solution

The fourth proportional to 8,868.84, 13,307.33 and 3,322.63 is: 4,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.84 : 13,307.33 = 3,322.63 : x
  2. Step 2: Convert to fraction form
    8,868.84/13,307.33 = 3,322.63/x
  3. Step 3: Cross multiply
    8,868.84x = 13,307.33 × 3,322.63
  4. Step 4: Simplify right side
    8,868.84x = 44,215,333.88
  5. Step 5: Solve for x
    x = 44,215,333.88/8,868.84
  6. Step 6: Final answer
    x = 4,985.47

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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.