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Finding the Fourth Proportional to 63,246.54, 87,276.72 and 34,950.42

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Solution

The fourth proportional to 63,246.54, 87,276.72 and 34,950.42 is: 48,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,246.54 : 87,276.72 = 34,950.42 : x
  2. Step 2: Convert to fraction form
    63,246.54/87,276.72 = 34,950.42/x
  3. Step 3: Cross multiply
    63,246.54x = 87,276.72 × 34,950.42
  4. Step 4: Simplify right side
    63,246.54x = 3,050,358,020.22
  5. Step 5: Solve for x
    x = 3,050,358,020.22/63,246.54
  6. Step 6: Final answer
    x = 48,229.64

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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.