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Finding the Fourth Proportional to 64,296.96, 96,288.96 and 44,520

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Solution

The fourth proportional to 64,296.96, 96,288.96 and 44,520 is: 66,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,296.96 : 96,288.96 = 44,520 : x
  2. Step 2: Convert to fraction form
    64,296.96/96,288.96 = 44,520/x
  3. Step 3: Cross multiply
    64,296.96x = 96,288.96 × 44,520
  4. Step 4: Simplify right side
    64,296.96x = 4,286,784,499.20
  5. Step 5: Solve for x
    x = 4,286,784,499.20/64,296.96
  6. Step 6: Final answer
    x = 66,671.65

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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.