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Finding the Fourth Proportional to 64,508.80, 89,006.56 and 37,635.97

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Solution

The fourth proportional to 64,508.80, 89,006.56 and 37,635.97 is: 51,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,508.80 : 89,006.56 = 37,635.97 : x
  2. Step 2: Convert to fraction form
    64,508.80/89,006.56 = 37,635.97/x
  3. Step 3: Cross multiply
    64,508.80x = 89,006.56 × 37,635.97
  4. Step 4: Simplify right side
    64,508.80x = 3,349,848,221.96
  5. Step 5: Solve for x
    x = 3,349,848,221.96/64,508.80
  6. Step 6: Final answer
    x = 51,928.55

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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.