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Finding the Fourth Proportional to 71,653.20, 107,477.97 and 19,063.14

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Solution

The fourth proportional to 71,653.20, 107,477.97 and 19,063.14 is: 28,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,653.20 : 107,477.97 = 19,063.14 : x
  2. Step 2: Convert to fraction form
    71,653.20/107,477.97 = 19,063.14/x
  3. Step 3: Cross multiply
    71,653.20x = 107,477.97 × 19,063.14
  4. Step 4: Simplify right side
    71,653.20x = 2,048,867,589.03
  5. Step 5: Solve for x
    x = 2,048,867,589.03/71,653.20
  6. Step 6: Final answer
    x = 28,594.22

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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.