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Finding the Fourth Proportional to 63,708.80, 87,919.22 and 35,029.63

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Solution

The fourth proportional to 63,708.80, 87,919.22 and 35,029.63 is: 48,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,708.80 : 87,919.22 = 35,029.63 : x
  2. Step 2: Convert to fraction form
    63,708.80/87,919.22 = 35,029.63/x
  3. Step 3: Cross multiply
    63,708.80x = 87,919.22 × 35,029.63
  4. Step 4: Simplify right side
    63,708.80x = 3,079,777,571.34
  5. Step 5: Solve for x
    x = 3,079,777,571.34/63,708.80
  6. Step 6: Final answer
    x = 48,341.48

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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.