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Finding the Fourth Proportional to 64,324.56, 96,500.70 and 19,950.42

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Solution

The fourth proportional to 64,324.56, 96,500.70 and 19,950.42 is: 29,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324.56 : 96,500.70 = 19,950.42 : x
  2. Step 2: Convert to fraction form
    64,324.56/96,500.70 = 19,950.42/x
  3. Step 3: Cross multiply
    64,324.56x = 96,500.70 × 19,950.42
  4. Step 4: Simplify right side
    64,324.56x = 1,925,229,495.29
  5. Step 5: Solve for x
    x = 1,925,229,495.29/64,324.56
  6. Step 6: Final answer
    x = 29,929.93

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Why These Related Problems?

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