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Finding the Fourth Proportional to 63,202.56, 87,217.72 and 34,907.64

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Solution

The fourth proportional to 63,202.56, 87,217.72 and 34,907.64 is: 48,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,202.56 : 87,217.72 = 34,907.64 : x
  2. Step 2: Convert to fraction form
    63,202.56/87,217.72 = 34,907.64/x
  3. Step 3: Cross multiply
    63,202.56x = 87,217.72 × 34,907.64
  4. Step 4: Simplify right side
    63,202.56x = 3,044,564,771.38
  5. Step 5: Solve for x
    x = 3,044,564,771.38/63,202.56
  6. Step 6: Final answer
    x = 48,171.54

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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.