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Finding the Fourth Proportional to 64,499.76, 96,709.68 and 22,369.92

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Solution

The fourth proportional to 64,499.76, 96,709.68 and 22,369.92 is: 33,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,499.76 : 96,709.68 = 22,369.92 : x
  2. Step 2: Convert to fraction form
    64,499.76/96,709.68 = 22,369.92/x
  3. Step 3: Cross multiply
    64,499.76x = 96,709.68 × 22,369.92
  4. Step 4: Simplify right side
    64,499.76x = 2,163,387,804.83
  5. Step 5: Solve for x
    x = 2,163,387,804.83/64,499.76
  6. Step 6: Final answer
    x = 33,541.02

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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.