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Finding the Fourth Proportional to 9,615.10, 14,429.10 and 3,375.10

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Solution

The fourth proportional to 9,615.10, 14,429.10 and 3,375.10 is: 5,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.10 : 14,429.10 = 3,375.10 : x
  2. Step 2: Convert to fraction form
    9,615.10/14,429.10 = 3,375.10/x
  3. Step 3: Cross multiply
    9,615.10x = 14,429.10 × 3,375.10
  4. Step 4: Simplify right side
    9,615.10x = 48,699,655.41
  5. Step 5: Solve for x
    x = 48,699,655.41/9,615.10
  6. Step 6: Final answer
    x = 5,064.91

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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.