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Finding the Fourth Proportional to 20,029.58, 30,046.42 and 7,560.10

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Solution

The fourth proportional to 20,029.58, 30,046.42 and 7,560.10 is: 11,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.58 : 30,046.42 = 7,560.10 : x
  2. Step 2: Convert to fraction form
    20,029.58/30,046.42 = 7,560.10/x
  3. Step 3: Cross multiply
    20,029.58x = 30,046.42 × 7,560.10
  4. Step 4: Simplify right side
    20,029.58x = 227,153,939.84
  5. Step 5: Solve for x
    x = 227,153,939.84/20,029.58
  6. Step 6: Final answer
    x = 11,340.92

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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.