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Finding the Fourth Proportional to 71,464.80, 107,162.64 and 41,892.24

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Solution

The fourth proportional to 71,464.80, 107,162.64 and 41,892.24 is: 62,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,464.80 : 107,162.64 = 41,892.24 : x
  2. Step 2: Convert to fraction form
    71,464.80/107,162.64 = 41,892.24/x
  3. Step 3: Cross multiply
    71,464.80x = 107,162.64 × 41,892.24
  4. Step 4: Simplify right side
    71,464.80x = 4,489,283,033.91
  5. Step 5: Solve for x
    x = 4,489,283,033.91/71,464.80
  6. Step 6: Final answer
    x = 62,818.10

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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.