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Finding the Fourth Proportional to 18,037.42, 27,063.31 and 6,941.13

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Solution

The fourth proportional to 18,037.42, 27,063.31 and 6,941.13 is: 10,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.42 : 27,063.31 = 6,941.13 : x
  2. Step 2: Convert to fraction form
    18,037.42/27,063.31 = 6,941.13/x
  3. Step 3: Cross multiply
    18,037.42x = 27,063.31 × 6,941.13
  4. Step 4: Simplify right side
    18,037.42x = 187,850,009.11
  5. Step 5: Solve for x
    x = 187,850,009.11/18,037.42
  6. Step 6: Final answer
    x = 10,414.46

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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.