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Finding the Fourth Proportional to 15,245.61, 22,867.73 and 6,357.28

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Solution

The fourth proportional to 15,245.61, 22,867.73 and 6,357.28 is: 9,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.61 : 22,867.73 = 6,357.28 : x
  2. Step 2: Convert to fraction form
    15,245.61/22,867.73 = 6,357.28/x
  3. Step 3: Cross multiply
    15,245.61x = 22,867.73 × 6,357.28
  4. Step 4: Simplify right side
    15,245.61x = 145,376,562.57
  5. Step 5: Solve for x
    x = 145,376,562.57/15,245.61
  6. Step 6: Final answer
    x = 9,535.63

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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.