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Finding the Fourth Proportional to 19,810.49, 29,714.23 and 7,324.67

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Solution

The fourth proportional to 19,810.49, 29,714.23 and 7,324.67 is: 10,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.49 : 29,714.23 = 7,324.67 : x
  2. Step 2: Convert to fraction form
    19,810.49/29,714.23 = 7,324.67/x
  3. Step 3: Cross multiply
    19,810.49x = 29,714.23 × 7,324.67
  4. Step 4: Simplify right side
    19,810.49x = 217,646,892.43
  5. Step 5: Solve for x
    x = 217,646,892.43/19,810.49
  6. Step 6: Final answer
    x = 10,986.45

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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.