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Finding the Fourth Proportional to 1,593.69, 2,389.09 and 567.45

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Solution

The fourth proportional to 1,593.69, 2,389.09 and 567.45 is: 850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.69 : 2,389.09 = 567.45 : x
  2. Step 2: Convert to fraction form
    1,593.69/2,389.09 = 567.45/x
  3. Step 3: Cross multiply
    1,593.69x = 2,389.09 × 567.45
  4. Step 4: Simplify right side
    1,593.69x = 1,355,689.12
  5. Step 5: Solve for x
    x = 1,355,689.12/1,593.69
  6. Step 6: Final answer
    x = 850.66

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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.