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Finding the Fourth Proportional to 1,026.01, 1,539.21 and 563.54

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Solution

The fourth proportional to 1,026.01, 1,539.21 and 563.54 is: 845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.01 : 1,539.21 = 563.54 : x
  2. Step 2: Convert to fraction form
    1,026.01/1,539.21 = 563.54/x
  3. Step 3: Cross multiply
    1,026.01x = 1,539.21 × 563.54
  4. Step 4: Simplify right side
    1,026.01x = 867,406.40
  5. Step 5: Solve for x
    x = 867,406.40/1,026.01
  6. Step 6: Final answer
    x = 845.42

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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.