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Finding the Fourth Proportional to 63,574.48, 87,731.86 and 36,350.30

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Solution

The fourth proportional to 63,574.48, 87,731.86 and 36,350.30 is: 50,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.48 : 87,731.86 = 36,350.30 : x
  2. Step 2: Convert to fraction form
    63,574.48/87,731.86 = 36,350.30/x
  3. Step 3: Cross multiply
    63,574.48x = 87,731.86 × 36,350.30
  4. Step 4: Simplify right side
    63,574.48x = 3,189,079,430.56
  5. Step 5: Solve for x
    x = 3,189,079,430.56/63,574.48
  6. Step 6: Final answer
    x = 50,162.89

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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.