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Finding the Fourth Proportional to 6,136.54, 8,472.59 and 4,717.72

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Solution

The fourth proportional to 6,136.54, 8,472.59 and 4,717.72 is: 6,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.54 : 8,472.59 = 4,717.72 : x
  2. Step 2: Convert to fraction form
    6,136.54/8,472.59 = 4,717.72/x
  3. Step 3: Cross multiply
    6,136.54x = 8,472.59 × 4,717.72
  4. Step 4: Simplify right side
    6,136.54x = 39,971,297.91
  5. Step 5: Solve for x
    x = 39,971,297.91/6,136.54
  6. Step 6: Final answer
    x = 6,513.66

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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.