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Finding the Fourth Proportional to 11,580.52, 17,375.64 and 5,003.32

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Solution

The fourth proportional to 11,580.52, 17,375.64 and 5,003.32 is: 7,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.52 : 17,375.64 = 5,003.32 : x
  2. Step 2: Convert to fraction form
    11,580.52/17,375.64 = 5,003.32/x
  3. Step 3: Cross multiply
    11,580.52x = 17,375.64 × 5,003.32
  4. Step 4: Simplify right side
    11,580.52x = 86,935,887.12
  5. Step 5: Solve for x
    x = 86,935,887.12/11,580.52
  6. Step 6: Final answer
    x = 7,507.08

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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.