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Finding the Fourth Proportional to 11,408.52, 17,090.62 and 7,501.16

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Solution

The fourth proportional to 11,408.52, 17,090.62 and 7,501.16 is: 11,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.52 : 17,090.62 = 7,501.16 : x
  2. Step 2: Convert to fraction form
    11,408.52/17,090.62 = 7,501.16/x
  3. Step 3: Cross multiply
    11,408.52x = 17,090.62 × 7,501.16
  4. Step 4: Simplify right side
    11,408.52x = 128,199,475.12
  5. Step 5: Solve for x
    x = 128,199,475.12/11,408.52
  6. Step 6: Final answer
    x = 11,237.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.