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Finding the Fourth Proportional to 10,339.44, 15,506.28 and 4,182

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Solution

The fourth proportional to 10,339.44, 15,506.28 and 4,182 is: 6,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.44 : 15,506.28 = 4,182 : x
  2. Step 2: Convert to fraction form
    10,339.44/15,506.28 = 4,182/x
  3. Step 3: Cross multiply
    10,339.44x = 15,506.28 × 4,182
  4. Step 4: Simplify right side
    10,339.44x = 64,847,262.96
  5. Step 5: Solve for x
    x = 64,847,262.96/10,339.44
  6. Step 6: Final answer
    x = 6,271.84

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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.