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Finding the Fourth Proportional to 15,245.60, 22,873.04 and 7,246.44

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Solution

The fourth proportional to 15,245.60, 22,873.04 and 7,246.44 is: 10,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.60 : 22,873.04 = 7,246.44 : x
  2. Step 2: Convert to fraction form
    15,245.60/22,873.04 = 7,246.44/x
  3. Step 3: Cross multiply
    15,245.60x = 22,873.04 × 7,246.44
  4. Step 4: Simplify right side
    15,245.60x = 165,748,111.98
  5. Step 5: Solve for x
    x = 165,748,111.98/15,245.60
  6. Step 6: Final answer
    x = 10,871.87

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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.