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Finding the Fourth Proportional to 1,158.24, 1,599.78 and 844.50

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Solution

The fourth proportional to 1,158.24, 1,599.78 and 844.50 is: 1,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.24 : 1,599.78 = 844.50 : x
  2. Step 2: Convert to fraction form
    1,158.24/1,599.78 = 844.50/x
  3. Step 3: Cross multiply
    1,158.24x = 1,599.78 × 844.50
  4. Step 4: Simplify right side
    1,158.24x = 1,351,014.21
  5. Step 5: Solve for x
    x = 1,351,014.21/1,158.24
  6. Step 6: Final answer
    x = 1,166.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.