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Finding the Fourth Proportional to 63,996.64, 96,028.64 and 45,396.64

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Solution

The fourth proportional to 63,996.64, 96,028.64 and 45,396.64 is: 68,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,996.64 : 96,028.64 = 45,396.64 : x
  2. Step 2: Convert to fraction form
    63,996.64/96,028.64 = 45,396.64/x
  3. Step 3: Cross multiply
    63,996.64x = 96,028.64 × 45,396.64
  4. Step 4: Simplify right side
    63,996.64x = 4,359,377,599.77
  5. Step 5: Solve for x
    x = 4,359,377,599.77/63,996.64
  6. Step 6: Final answer
    x = 68,118.85

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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.