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Finding the Fourth Proportional to 66,836.20, 100,256.72 and 22,464.40

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Solution

The fourth proportional to 66,836.20, 100,256.72 and 22,464.40 is: 33,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,836.20 : 100,256.72 = 22,464.40 : x
  2. Step 2: Convert to fraction form
    66,836.20/100,256.72 = 22,464.40/x
  3. Step 3: Cross multiply
    66,836.20x = 100,256.72 × 22,464.40
  4. Step 4: Simplify right side
    66,836.20x = 2,252,207,060.77
  5. Step 5: Solve for x
    x = 2,252,207,060.77/66,836.20
  6. Step 6: Final answer
    x = 33,697.41

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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.