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Finding the Fourth Proportional to 66,652.20, 100,016.70 and 25,103.40

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Solution

The fourth proportional to 66,652.20, 100,016.70 and 25,103.40 is: 37,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652.20 : 100,016.70 = 25,103.40 : x
  2. Step 2: Convert to fraction form
    66,652.20/100,016.70 = 25,103.40/x
  3. Step 3: Cross multiply
    66,652.20x = 100,016.70 × 25,103.40
  4. Step 4: Simplify right side
    66,652.20x = 2,510,759,226.78
  5. Step 5: Solve for x
    x = 2,510,759,226.78/66,652.20
  6. Step 6: Final answer
    x = 37,669.56

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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.