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Finding the Fourth Proportional to 63,047.75, 87,004.76 and 34,367.65

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Solution

The fourth proportional to 63,047.75, 87,004.76 and 34,367.65 is: 47,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,047.75 : 87,004.76 = 34,367.65 : x
  2. Step 2: Convert to fraction form
    63,047.75/87,004.76 = 34,367.65/x
  3. Step 3: Cross multiply
    63,047.75x = 87,004.76 × 34,367.65
  4. Step 4: Simplify right side
    63,047.75x = 2,990,148,750.66
  5. Step 5: Solve for x
    x = 2,990,148,750.66/63,047.75
  6. Step 6: Final answer
    x = 47,426.74

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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.