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Finding the Fourth Proportional to 63,674.22, 87,869.79 and 35,379.30

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Solution

The fourth proportional to 63,674.22, 87,869.79 and 35,379.30 is: 48,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.22 : 87,869.79 = 35,379.30 : x
  2. Step 2: Convert to fraction form
    63,674.22/87,869.79 = 35,379.30/x
  3. Step 3: Cross multiply
    63,674.22x = 87,869.79 × 35,379.30
  4. Step 4: Simplify right side
    63,674.22x = 3,108,771,661.35
  5. Step 5: Solve for x
    x = 3,108,771,661.35/63,674.22
  6. Step 6: Final answer
    x = 48,823.08

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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.