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Finding the Fourth Proportional to 63,475.38, 87,586.80 and 35,181

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Solution

The fourth proportional to 63,475.38, 87,586.80 and 35,181 is: 48,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,475.38 : 87,586.80 = 35,181 : x
  2. Step 2: Convert to fraction form
    63,475.38/87,586.80 = 35,181/x
  3. Step 3: Cross multiply
    63,475.38x = 87,586.80 × 35,181
  4. Step 4: Simplify right side
    63,475.38x = 3,081,391,210.80
  5. Step 5: Solve for x
    x = 3,081,391,210.80/63,475.38
  6. Step 6: Final answer
    x = 48,544.67

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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.