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Finding the Fourth Proportional to 69,442.72, 104,024.76 and 31,950.56

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Solution

The fourth proportional to 69,442.72, 104,024.76 and 31,950.56 is: 47,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,442.72 : 104,024.76 = 31,950.56 : x
  2. Step 2: Convert to fraction form
    69,442.72/104,024.76 = 31,950.56/x
  3. Step 3: Cross multiply
    69,442.72x = 104,024.76 × 31,950.56
  4. Step 4: Simplify right side
    69,442.72x = 3,323,649,335.87
  5. Step 5: Solve for x
    x = 3,323,649,335.87/69,442.72
  6. Step 6: Final answer
    x = 47,861.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.