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Finding the Fourth Proportional to 63,243.98, 87,288.94 and 40,611.57

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Solution

The fourth proportional to 63,243.98, 87,288.94 and 40,611.57 is: 56,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.98 : 87,288.94 = 40,611.57 : x
  2. Step 2: Convert to fraction form
    63,243.98/87,288.94 = 40,611.57/x
  3. Step 3: Cross multiply
    63,243.98x = 87,288.94 × 40,611.57
  4. Step 4: Simplify right side
    63,243.98x = 3,544,940,897.04
  5. Step 5: Solve for x
    x = 3,544,940,897.04/63,243.98
  6. Step 6: Final answer
    x = 56,051.83

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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.