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Finding the Fourth Proportional to 17,755.17, 26,607.37 and 13,038.17

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Solution

The fourth proportional to 17,755.17, 26,607.37 and 13,038.17 is: 19,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.17 : 26,607.37 = 13,038.17 : x
  2. Step 2: Convert to fraction form
    17,755.17/26,607.37 = 13,038.17/x
  3. Step 3: Cross multiply
    17,755.17x = 26,607.37 × 13,038.17
  4. Step 4: Simplify right side
    17,755.17x = 346,911,272.13
  5. Step 5: Solve for x
    x = 346,911,272.13/17,755.17
  6. Step 6: Final answer
    x = 19,538.61

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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.