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Finding the Fourth Proportional to 11,603.32, 17,393 and 4,573.82

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Solution

The fourth proportional to 11,603.32, 17,393 and 4,573.82 is: 6,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603.32 : 17,393 = 4,573.82 : x
  2. Step 2: Convert to fraction form
    11,603.32/17,393 = 4,573.82/x
  3. Step 3: Cross multiply
    11,603.32x = 17,393 × 4,573.82
  4. Step 4: Simplify right side
    11,603.32x = 79,552,451.26
  5. Step 5: Solve for x
    x = 79,552,451.26/11,603.32
  6. Step 6: Final answer
    x = 6,856.01

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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.