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Finding the Fourth Proportional to 63,674.34, 87,871.77 and 35,382.66

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Solution

The fourth proportional to 63,674.34, 87,871.77 and 35,382.66 is: 48,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.34 : 87,871.77 = 35,382.66 : x
  2. Step 2: Convert to fraction form
    63,674.34/87,871.77 = 35,382.66/x
  3. Step 3: Cross multiply
    63,674.34x = 87,871.77 × 35,382.66
  4. Step 4: Simplify right side
    63,674.34x = 3,109,136,961.51
  5. Step 5: Solve for x
    x = 3,109,136,961.51/63,674.34
  6. Step 6: Final answer
    x = 48,828.73

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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.