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Finding the Fourth Proportional to 71,064.56, 106,695.12 and 36,028.64

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Solution

The fourth proportional to 71,064.56, 106,695.12 and 36,028.64 is: 54,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,064.56 : 106,695.12 = 36,028.64 : x
  2. Step 2: Convert to fraction form
    71,064.56/106,695.12 = 36,028.64/x
  3. Step 3: Cross multiply
    71,064.56x = 106,695.12 × 36,028.64
  4. Step 4: Simplify right side
    71,064.56x = 3,844,080,068.24
  5. Step 5: Solve for x
    x = 3,844,080,068.24/71,064.56
  6. Step 6: Final answer
    x = 54,092.79

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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.