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Finding the Fourth Proportional to 1,035.94, 1,553.45 and 548.88

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Solution

The fourth proportional to 1,035.94, 1,553.45 and 548.88 is: 823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.94 : 1,553.45 = 548.88 : x
  2. Step 2: Convert to fraction form
    1,035.94/1,553.45 = 548.88/x
  3. Step 3: Cross multiply
    1,035.94x = 1,553.45 × 548.88
  4. Step 4: Simplify right side
    1,035.94x = 852,649.87
  5. Step 5: Solve for x
    x = 852,649.87/1,035.94
  6. Step 6: Final answer
    x = 823.07

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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.