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Finding the Fourth Proportional to 8,887.71, 13,333.43 and 2,964.36

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Solution

The fourth proportional to 8,887.71, 13,333.43 and 2,964.36 is: 4,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.71 : 13,333.43 = 2,964.36 : x
  2. Step 2: Convert to fraction form
    8,887.71/13,333.43 = 2,964.36/x
  3. Step 3: Cross multiply
    8,887.71x = 13,333.43 × 2,964.36
  4. Step 4: Simplify right side
    8,887.71x = 39,525,086.55
  5. Step 5: Solve for x
    x = 39,525,086.55/8,887.71
  6. Step 6: Final answer
    x = 4,447.16

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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.