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Finding the Fourth Proportional to 8,846.88, 13,270.53 and 2,921.88

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Solution

The fourth proportional to 8,846.88, 13,270.53 and 2,921.88 is: 4,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.88 : 13,270.53 = 2,921.88 : x
  2. Step 2: Convert to fraction form
    8,846.88/13,270.53 = 2,921.88/x
  3. Step 3: Cross multiply
    8,846.88x = 13,270.53 × 2,921.88
  4. Step 4: Simplify right side
    8,846.88x = 38,774,896.20
  5. Step 5: Solve for x
    x = 38,774,896.20/8,846.88
  6. Step 6: Final answer
    x = 4,382.89

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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.