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Finding the Fourth Proportional to 64,651.92, 97,079.94 and 38,473.53

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Solution

The fourth proportional to 64,651.92, 97,079.94 and 38,473.53 is: 57,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,651.92 : 97,079.94 = 38,473.53 : x
  2. Step 2: Convert to fraction form
    64,651.92/97,079.94 = 38,473.53/x
  3. Step 3: Cross multiply
    64,651.92x = 97,079.94 × 38,473.53
  4. Step 4: Simplify right side
    64,651.92x = 3,735,007,983.99
  5. Step 5: Solve for x
    x = 3,735,007,983.99/64,651.92
  6. Step 6: Final answer
    x = 57,771.03

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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.