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Finding the Fourth Proportional to 71,600.76, 107,392.73 and 19,014.30

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Solution

The fourth proportional to 71,600.76, 107,392.73 and 19,014.30 is: 28,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,600.76 : 107,392.73 = 19,014.30 : x
  2. Step 2: Convert to fraction form
    71,600.76/107,392.73 = 19,014.30/x
  3. Step 3: Cross multiply
    71,600.76x = 107,392.73 × 19,014.30
  4. Step 4: Simplify right side
    71,600.76x = 2,041,997,490.97
  5. Step 5: Solve for x
    x = 2,041,997,490.97/71,600.76
  6. Step 6: Final answer
    x = 28,519.22

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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.