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Finding the Fourth Proportional to 1,024.95, 1,537.05 and 531.39

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Solution

The fourth proportional to 1,024.95, 1,537.05 and 531.39 is: 796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.95 : 1,537.05 = 531.39 : x
  2. Step 2: Convert to fraction form
    1,024.95/1,537.05 = 531.39/x
  3. Step 3: Cross multiply
    1,024.95x = 1,537.05 × 531.39
  4. Step 4: Simplify right side
    1,024.95x = 816,773.00
  5. Step 5: Solve for x
    x = 816,773.00/1,024.95
  6. Step 6: Final answer
    x = 796.89

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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.