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Finding the Fourth Proportional to 7,588.02, 11,384.70 and 3,891.99

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Solution

The fourth proportional to 7,588.02, 11,384.70 and 3,891.99 is: 5,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.02 : 11,384.70 = 3,891.99 : x
  2. Step 2: Convert to fraction form
    7,588.02/11,384.70 = 3,891.99/x
  3. Step 3: Cross multiply
    7,588.02x = 11,384.70 × 3,891.99
  4. Step 4: Simplify right side
    7,588.02x = 44,309,138.55
  5. Step 5: Solve for x
    x = 44,309,138.55/7,588.02
  6. Step 6: Final answer
    x = 5,839.35

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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.