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Finding the Fourth Proportional to 10,015.65, 15,025.29 and 3,351.52

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Solution

The fourth proportional to 10,015.65, 15,025.29 and 3,351.52 is: 5,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.65 : 15,025.29 = 3,351.52 : x
  2. Step 2: Convert to fraction form
    10,015.65/15,025.29 = 3,351.52/x
  3. Step 3: Cross multiply
    10,015.65x = 15,025.29 × 3,351.52
  4. Step 4: Simplify right side
    10,015.65x = 50,357,559.94
  5. Step 5: Solve for x
    x = 50,357,559.94/10,015.65
  6. Step 6: Final answer
    x = 5,027.89

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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.