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Finding the Fourth Proportional to 17,625.88, 26,439.53 and 4,478.59

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Solution

The fourth proportional to 17,625.88, 26,439.53 and 4,478.59 is: 6,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.88 : 26,439.53 = 4,478.59 : x
  2. Step 2: Convert to fraction form
    17,625.88/26,439.53 = 4,478.59/x
  3. Step 3: Cross multiply
    17,625.88x = 26,439.53 × 4,478.59
  4. Step 4: Simplify right side
    17,625.88x = 118,411,814.66
  5. Step 5: Solve for x
    x = 118,411,814.66/17,625.88
  6. Step 6: Final answer
    x = 6,718.07

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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.