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Finding the Fourth Proportional to 20,028.58, 30,044.92 and 7,559.10

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Solution

The fourth proportional to 20,028.58, 30,044.92 and 7,559.10 is: 11,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.58 : 30,044.92 = 7,559.10 : x
  2. Step 2: Convert to fraction form
    20,028.58/30,044.92 = 7,559.10/x
  3. Step 3: Cross multiply
    20,028.58x = 30,044.92 × 7,559.10
  4. Step 4: Simplify right side
    20,028.58x = 227,112,554.77
  5. Step 5: Solve for x
    x = 227,112,554.77/20,028.58
  6. Step 6: Final answer
    x = 11,339.42

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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.