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Finding the Fourth Proportional to 1,035.26, 1,552.17 and 541.36

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Solution

The fourth proportional to 1,035.26, 1,552.17 and 541.36 is: 811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.26 : 1,552.17 = 541.36 : x
  2. Step 2: Convert to fraction form
    1,035.26/1,552.17 = 541.36/x
  3. Step 3: Cross multiply
    1,035.26x = 1,552.17 × 541.36
  4. Step 4: Simplify right side
    1,035.26x = 840,274.99
  5. Step 5: Solve for x
    x = 840,274.99/1,035.26
  6. Step 6: Final answer
    x = 811.66

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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.