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Finding the Fourth Proportional to 12,057.66, 18,057.33 and 10,424.70

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Solution

The fourth proportional to 12,057.66, 18,057.33 and 10,424.70 is: 15,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.66 : 18,057.33 = 10,424.70 : x
  2. Step 2: Convert to fraction form
    12,057.66/18,057.33 = 10,424.70/x
  3. Step 3: Cross multiply
    12,057.66x = 18,057.33 × 10,424.70
  4. Step 4: Simplify right side
    12,057.66x = 188,242,248.05
  5. Step 5: Solve for x
    x = 188,242,248.05/12,057.66
  6. Step 6: Final answer
    x = 15,611.84

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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.