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Finding the Fourth Proportional to 7,595.40, 11,393.64 and 2,663.31

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Solution

The fourth proportional to 7,595.40, 11,393.64 and 2,663.31 is: 3,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,595.40 : 11,393.64 = 2,663.31 : x
  2. Step 2: Convert to fraction form
    7,595.40/11,393.64 = 2,663.31/x
  3. Step 3: Cross multiply
    7,595.40x = 11,393.64 × 2,663.31
  4. Step 4: Simplify right side
    7,595.40x = 30,344,795.35
  5. Step 5: Solve for x
    x = 30,344,795.35/7,595.40
  6. Step 6: Final answer
    x = 3,995.15

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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.