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Finding the Fourth Proportional to 64,487.96, 88,993.39 and 36,193.65

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Solution

The fourth proportional to 64,487.96, 88,993.39 and 36,193.65 is: 49,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,487.96 : 88,993.39 = 36,193.65 : x
  2. Step 2: Convert to fraction form
    64,487.96/88,993.39 = 36,193.65/x
  3. Step 3: Cross multiply
    64,487.96x = 88,993.39 × 36,193.65
  4. Step 4: Simplify right side
    64,487.96x = 3,220,995,471.59
  5. Step 5: Solve for x
    x = 3,220,995,471.59/64,487.96
  6. Step 6: Final answer
    x = 49,947.24

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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.