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Finding the Fourth Proportional to 9,136.65, 13,699.65 and 3,583.49

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Solution

The fourth proportional to 9,136.65, 13,699.65 and 3,583.49 is: 5,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.65 : 13,699.65 = 3,583.49 : x
  2. Step 2: Convert to fraction form
    9,136.65/13,699.65 = 3,583.49/x
  3. Step 3: Cross multiply
    9,136.65x = 13,699.65 × 3,583.49
  4. Step 4: Simplify right side
    9,136.65x = 49,092,490.28
  5. Step 5: Solve for x
    x = 49,092,490.28/9,136.65
  6. Step 6: Final answer
    x = 5,373.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.