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Finding the Fourth Proportional to 64,545.30, 96,610.76 and 34,484.42

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Solution

The fourth proportional to 64,545.30, 96,610.76 and 34,484.42 is: 51,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,545.30 : 96,610.76 = 34,484.42 : x
  2. Step 2: Convert to fraction form
    64,545.30/96,610.76 = 34,484.42/x
  3. Step 3: Cross multiply
    64,545.30x = 96,610.76 × 34,484.42
  4. Step 4: Simplify right side
    64,545.30x = 3,331,566,222.78
  5. Step 5: Solve for x
    x = 3,331,566,222.78/64,545.30
  6. Step 6: Final answer
    x = 51,615.94

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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.