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Finding the Fourth Proportional to 64,472.94, 96,639.66 and 27,053.34

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Solution

The fourth proportional to 64,472.94, 96,639.66 and 27,053.34 is: 40,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,472.94 : 96,639.66 = 27,053.34 : x
  2. Step 2: Convert to fraction form
    64,472.94/96,639.66 = 27,053.34/x
  3. Step 3: Cross multiply
    64,472.94x = 96,639.66 × 27,053.34
  4. Step 4: Simplify right side
    64,472.94x = 2,614,425,579.46
  5. Step 5: Solve for x
    x = 2,614,425,579.46/64,472.94
  6. Step 6: Final answer
    x = 40,550.74

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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.