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Finding the Fourth Proportional to 15,410.84, 21,266.91 and 8,337.24

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Solution

The fourth proportional to 15,410.84, 21,266.91 and 8,337.24 is: 11,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.84 : 21,266.91 = 8,337.24 : x
  2. Step 2: Convert to fraction form
    15,410.84/21,266.91 = 8,337.24/x
  3. Step 3: Cross multiply
    15,410.84x = 21,266.91 × 8,337.24
  4. Step 4: Simplify right side
    15,410.84x = 177,307,332.73
  5. Step 5: Solve for x
    x = 177,307,332.73/15,410.84
  6. Step 6: Final answer
    x = 11,505.37

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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.