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Finding the Fourth Proportional to 64,717.84, 89,293.17 and 37,866.97

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Solution

The fourth proportional to 64,717.84, 89,293.17 and 37,866.97 is: 52,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,717.84 : 89,293.17 = 37,866.97 : x
  2. Step 2: Convert to fraction form
    64,717.84/89,293.17 = 37,866.97/x
  3. Step 3: Cross multiply
    64,717.84x = 89,293.17 × 37,866.97
  4. Step 4: Simplify right side
    64,717.84x = 3,381,261,789.59
  5. Step 5: Solve for x
    x = 3,381,261,789.59/64,717.84
  6. Step 6: Final answer
    x = 52,246.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.