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Finding the Fourth Proportional to 63,636.70, 87,816.94 and 35,340.56

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Solution

The fourth proportional to 63,636.70, 87,816.94 and 35,340.56 is: 48,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,636.70 : 87,816.94 = 35,340.56 : x
  2. Step 2: Convert to fraction form
    63,636.70/87,816.94 = 35,340.56/x
  3. Step 3: Cross multiply
    63,636.70x = 87,816.94 × 35,340.56
  4. Step 4: Simplify right side
    63,636.70x = 3,103,499,837.09
  5. Step 5: Solve for x
    x = 3,103,499,837.09/63,636.70
  6. Step 6: Final answer
    x = 48,769.03

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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.