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Finding the Fourth Proportional to 8,008.88, 11,052.48 and 4,472

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Solution

The fourth proportional to 8,008.88, 11,052.48 and 4,472 is: 6,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.88 : 11,052.48 = 4,472 : x
  2. Step 2: Convert to fraction form
    8,008.88/11,052.48 = 4,472/x
  3. Step 3: Cross multiply
    8,008.88x = 11,052.48 × 4,472
  4. Step 4: Simplify right side
    8,008.88x = 49,426,690.56
  5. Step 5: Solve for x
    x = 49,426,690.56/8,008.88
  6. Step 6: Final answer
    x = 6,171.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.