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Finding the Fourth Proportional to 7,280.00, 10,046.33 and 4,136.18

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Solution

The fourth proportional to 7,280.00, 10,046.33 and 4,136.18 is: 5,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.00 : 10,046.33 = 4,136.18 : x
  2. Step 2: Convert to fraction form
    7,280.00/10,046.33 = 4,136.18/x
  3. Step 3: Cross multiply
    7,280.00x = 10,046.33 × 4,136.18
  4. Step 4: Simplify right side
    7,280.00x = 41,553,429.22
  5. Step 5: Solve for x
    x = 41,553,429.22/7,280.00
  6. Step 6: Final answer
    x = 5,707.89

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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.