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Finding the Fourth Proportional to 64,776.97, 97,145.83 and 22,649.19

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Solution

The fourth proportional to 64,776.97, 97,145.83 and 22,649.19 is: 33,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,776.97 : 97,145.83 = 22,649.19 : x
  2. Step 2: Convert to fraction form
    64,776.97/97,145.83 = 22,649.19/x
  3. Step 3: Cross multiply
    64,776.97x = 97,145.83 × 22,649.19
  4. Step 4: Simplify right side
    64,776.97x = 2,200,274,753.99
  5. Step 5: Solve for x
    x = 2,200,274,753.99/64,776.97
  6. Step 6: Final answer
    x = 33,966.93

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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.