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Finding the Fourth Proportional to 66,795.76, 92,170.92 and 38,108.08

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Solution

The fourth proportional to 66,795.76, 92,170.92 and 38,108.08 is: 52,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,795.76 : 92,170.92 = 38,108.08 : x
  2. Step 2: Convert to fraction form
    66,795.76/92,170.92 = 38,108.08/x
  3. Step 3: Cross multiply
    66,795.76x = 92,170.92 × 38,108.08
  4. Step 4: Simplify right side
    66,795.76x = 3,512,456,793.03
  5. Step 5: Solve for x
    x = 3,512,456,793.03/66,795.76
  6. Step 6: Final answer
    x = 52,585.03

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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.