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Finding the Fourth Proportional to 65,793.25, 90,795.90 and 37,500.76

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Solution

The fourth proportional to 65,793.25, 90,795.90 and 37,500.76 is: 51,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.25 : 90,795.90 = 37,500.76 : x
  2. Step 2: Convert to fraction form
    65,793.25/90,795.90 = 37,500.76/x
  3. Step 3: Cross multiply
    65,793.25x = 90,795.90 × 37,500.76
  4. Step 4: Simplify right side
    65,793.25x = 3,404,915,254.88
  5. Step 5: Solve for x
    x = 3,404,915,254.88/65,793.25
  6. Step 6: Final answer
    x = 51,751.74

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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.