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Finding the Fourth Proportional to 66,951.20, 100,363.01 and 22,555.10

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Solution

The fourth proportional to 66,951.20, 100,363.01 and 22,555.10 is: 33,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951.20 : 100,363.01 = 22,555.10 : x
  2. Step 2: Convert to fraction form
    66,951.20/100,363.01 = 22,555.10/x
  3. Step 3: Cross multiply
    66,951.20x = 100,363.01 × 22,555.10
  4. Step 4: Simplify right side
    66,951.20x = 2,263,697,112.26
  5. Step 5: Solve for x
    x = 2,263,697,112.26/66,951.20
  6. Step 6: Final answer
    x = 33,811.15

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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.