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Finding the Fourth Proportional to 8,887.32, 13,326.51 and 2,962.11

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Solution

The fourth proportional to 8,887.32, 13,326.51 and 2,962.11 is: 4,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.32 : 13,326.51 = 2,962.11 : x
  2. Step 2: Convert to fraction form
    8,887.32/13,326.51 = 2,962.11/x
  3. Step 3: Cross multiply
    8,887.32x = 13,326.51 × 2,962.11
  4. Step 4: Simplify right side
    8,887.32x = 39,474,588.54
  5. Step 5: Solve for x
    x = 39,474,588.54/8,887.32
  6. Step 6: Final answer
    x = 4,441.68

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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.