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Finding the Fourth Proportional to 63,674.40, 87,866.82 and 35,379.12

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Solution

The fourth proportional to 63,674.40, 87,866.82 and 35,379.12 is: 48,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.40 : 87,866.82 = 35,379.12 : x
  2. Step 2: Convert to fraction form
    63,674.40/87,866.82 = 35,379.12/x
  3. Step 3: Cross multiply
    63,674.40x = 87,866.82 × 35,379.12
  4. Step 4: Simplify right side
    63,674.40x = 3,108,650,768.80
  5. Step 5: Solve for x
    x = 3,108,650,768.80/63,674.40
  6. Step 6: Final answer
    x = 48,821.05

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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.