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Finding the Fourth Proportional to 14,962.88, 20,648.92 and 8,248.76

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Solution

The fourth proportional to 14,962.88, 20,648.92 and 8,248.76 is: 11,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.88 : 20,648.92 = 8,248.76 : x
  2. Step 2: Convert to fraction form
    14,962.88/20,648.92 = 8,248.76/x
  3. Step 3: Cross multiply
    14,962.88x = 20,648.92 × 8,248.76
  4. Step 4: Simplify right side
    14,962.88x = 170,327,985.34
  5. Step 5: Solve for x
    x = 170,327,985.34/14,962.88
  6. Step 6: Final answer
    x = 11,383.37

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