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Finding the Fourth Proportional to 63,346.70, 87,427.72 and 36,483.98

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Solution

The fourth proportional to 63,346.70, 87,427.72 and 36,483.98 is: 50,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,346.70 : 87,427.72 = 36,483.98 : x
  2. Step 2: Convert to fraction form
    63,346.70/87,427.72 = 36,483.98/x
  3. Step 3: Cross multiply
    63,346.70x = 87,427.72 × 36,483.98
  4. Step 4: Simplify right side
    63,346.70x = 3,189,711,187.93
  5. Step 5: Solve for x
    x = 3,189,711,187.93/63,346.70
  6. Step 6: Final answer
    x = 50,353.23

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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.