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Finding the Fourth Proportional to 69,826.50, 96,359.76 and 37,994.85

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Solution

The fourth proportional to 69,826.50, 96,359.76 and 37,994.85 is: 52,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,826.50 : 96,359.76 = 37,994.85 : x
  2. Step 2: Convert to fraction form
    69,826.50/96,359.76 = 37,994.85/x
  3. Step 3: Cross multiply
    69,826.50x = 96,359.76 × 37,994.85
  4. Step 4: Simplify right side
    69,826.50x = 3,661,174,627.24
  5. Step 5: Solve for x
    x = 3,661,174,627.24/69,826.50
  6. Step 6: Final answer
    x = 52,432.45

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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.