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Finding the Fourth Proportional to 64,010.96, 95,938.66 and 45,296.48

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Solution

The fourth proportional to 64,010.96, 95,938.66 and 45,296.48 is: 67,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.96 : 95,938.66 = 45,296.48 : x
  2. Step 2: Convert to fraction form
    64,010.96/95,938.66 = 45,296.48/x
  3. Step 3: Cross multiply
    64,010.96x = 95,938.66 × 45,296.48
  4. Step 4: Simplify right side
    64,010.96x = 4,345,683,890.38
  5. Step 5: Solve for x
    x = 4,345,683,890.38/64,010.96
  6. Step 6: Final answer
    x = 67,889.69

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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.