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Finding the Fourth Proportional to 1,068.49, 1,605.17 and 1,024.75

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Solution

The fourth proportional to 1,068.49, 1,605.17 and 1,024.75 is: 1,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.49 : 1,605.17 = 1,024.75 : x
  2. Step 2: Convert to fraction form
    1,068.49/1,605.17 = 1,024.75/x
  3. Step 3: Cross multiply
    1,068.49x = 1,605.17 × 1,024.75
  4. Step 4: Simplify right side
    1,068.49x = 1,644,897.96
  5. Step 5: Solve for x
    x = 1,644,897.96/1,068.49
  6. Step 6: Final answer
    x = 1,539.46

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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.