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Finding the Fourth Proportional to 12,800.76, 19,170.18 and 10,593.24

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Solution

The fourth proportional to 12,800.76, 19,170.18 and 10,593.24 is: 15,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.76 : 19,170.18 = 10,593.24 : x
  2. Step 2: Convert to fraction form
    12,800.76/19,170.18 = 10,593.24/x
  3. Step 3: Cross multiply
    12,800.76x = 19,170.18 × 10,593.24
  4. Step 4: Simplify right side
    12,800.76x = 203,074,317.58
  5. Step 5: Solve for x
    x = 203,074,317.58/12,800.76
  6. Step 6: Final answer
    x = 15,864.24

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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.