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Finding the Fourth Proportional to 34,383.70, 51,545.55 and 13,338.10

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Solution

The fourth proportional to 34,383.70, 51,545.55 and 13,338.10 is: 19,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,383.70 : 51,545.55 = 13,338.10 : x
  2. Step 2: Convert to fraction form
    34,383.70/51,545.55 = 13,338.10/x
  3. Step 3: Cross multiply
    34,383.70x = 51,545.55 × 13,338.10
  4. Step 4: Simplify right side
    34,383.70x = 687,519,700.46
  5. Step 5: Solve for x
    x = 687,519,700.46/34,383.70
  6. Step 6: Final answer
    x = 19,995.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.