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Finding the Fourth Proportional to 64,447.83, 96,648.67 and 22,316.60

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Solution

The fourth proportional to 64,447.83, 96,648.67 and 22,316.60 is: 33,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447.83 : 96,648.67 = 22,316.60 : x
  2. Step 2: Convert to fraction form
    64,447.83/96,648.67 = 22,316.60/x
  3. Step 3: Cross multiply
    64,447.83x = 96,648.67 × 22,316.60
  4. Step 4: Simplify right side
    64,447.83x = 2,156,869,708.92
  5. Step 5: Solve for x
    x = 2,156,869,708.92/64,447.83
  6. Step 6: Final answer
    x = 33,466.91

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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.