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Finding the Fourth Proportional to 5,934.72, 8,190.88 and 5,672.24

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Solution

The fourth proportional to 5,934.72, 8,190.88 and 5,672.24 is: 7,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,934.72 : 8,190.88 = 5,672.24 : x
  2. Step 2: Convert to fraction form
    5,934.72/8,190.88 = 5,672.24/x
  3. Step 3: Cross multiply
    5,934.72x = 8,190.88 × 5,672.24
  4. Step 4: Simplify right side
    5,934.72x = 46,460,637.17
  5. Step 5: Solve for x
    x = 46,460,637.17/5,934.72
  6. Step 6: Final answer
    x = 7,828.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.