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Finding the Fourth Proportional to 11,203.93, 15,462.93 and 6,488.52

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Solution

The fourth proportional to 11,203.93, 15,462.93 and 6,488.52 is: 8,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.93 : 15,462.93 = 6,488.52 : x
  2. Step 2: Convert to fraction form
    11,203.93/15,462.93 = 6,488.52/x
  3. Step 3: Cross multiply
    11,203.93x = 15,462.93 × 6,488.52
  4. Step 4: Simplify right side
    11,203.93x = 100,331,530.56
  5. Step 5: Solve for x
    x = 100,331,530.56/11,203.93
  6. Step 6: Final answer
    x = 8,955.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.