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Finding the Fourth Proportional to 50,307.08, 69,494.61 and 47,649.87

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Solution

The fourth proportional to 50,307.08, 69,494.61 and 47,649.87 is: 65,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,307.08 : 69,494.61 = 47,649.87 : x
  2. Step 2: Convert to fraction form
    50,307.08/69,494.61 = 47,649.87/x
  3. Step 3: Cross multiply
    50,307.08x = 69,494.61 × 47,649.87
  4. Step 4: Simplify right side
    50,307.08x = 3,311,409,042.86
  5. Step 5: Solve for x
    x = 3,311,409,042.86/50,307.08
  6. Step 6: Final answer
    x = 65,823.92

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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.