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Finding the Fourth Proportional to 7,384.15, 11,078.10 and 2,453.82

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Solution

The fourth proportional to 7,384.15, 11,078.10 and 2,453.82 is: 3,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.15 : 11,078.10 = 2,453.82 : x
  2. Step 2: Convert to fraction form
    7,384.15/11,078.10 = 2,453.82/x
  3. Step 3: Cross multiply
    7,384.15x = 11,078.10 × 2,453.82
  4. Step 4: Simplify right side
    7,384.15x = 27,183,663.34
  5. Step 5: Solve for x
    x = 27,183,663.34/7,384.15
  6. Step 6: Final answer
    x = 3,681.35

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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.