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Finding the Fourth Proportional to 11,545, 17,307.24 and 5,618.68

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Solution

The fourth proportional to 11,545, 17,307.24 and 5,618.68 is: 8,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545 : 17,307.24 = 5,618.68 : x
  2. Step 2: Convert to fraction form
    11,545/17,307.24 = 5,618.68/x
  3. Step 3: Cross multiply
    11,545x = 17,307.24 × 5,618.68
  4. Step 4: Simplify right side
    11,545x = 97,243,843.24
  5. Step 5: Solve for x
    x = 97,243,843.24/11,545
  6. Step 6: Final answer
    x = 8,423.03

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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.