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Finding the Fourth Proportional to 63,636.70, 87,816.23 and 35,344.21

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Solution

The fourth proportional to 63,636.70, 87,816.23 and 35,344.21 is: 48,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,636.70 : 87,816.23 = 35,344.21 : x
  2. Step 2: Convert to fraction form
    63,636.70/87,816.23 = 35,344.21/x
  3. Step 3: Cross multiply
    63,636.70x = 87,816.23 × 35,344.21
  4. Step 4: Simplify right side
    63,636.70x = 3,103,794,658.73
  5. Step 5: Solve for x
    x = 3,103,794,658.73/63,636.70
  6. Step 6: Final answer
    x = 48,773.66

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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.