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Finding the Fourth Proportional to 63,524.40, 87,406.20 and 52,152

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Solution

The fourth proportional to 63,524.40, 87,406.20 and 52,152 is: 71,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,524.40 : 87,406.20 = 52,152 : x
  2. Step 2: Convert to fraction form
    63,524.40/87,406.20 = 52,152/x
  3. Step 3: Cross multiply
    63,524.40x = 87,406.20 × 52,152
  4. Step 4: Simplify right side
    63,524.40x = 4,558,408,142.40
  5. Step 5: Solve for x
    x = 4,558,408,142.40/63,524.40
  6. Step 6: Final answer
    x = 71,758.38

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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.