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Finding the Fourth Proportional to 1,593.15, 2,390.01 and 715.33

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Solution

The fourth proportional to 1,593.15, 2,390.01 and 715.33 is: 1,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.15 : 2,390.01 = 715.33 : x
  2. Step 2: Convert to fraction form
    1,593.15/2,390.01 = 715.33/x
  3. Step 3: Cross multiply
    1,593.15x = 2,390.01 × 715.33
  4. Step 4: Simplify right side
    1,593.15x = 1,709,645.85
  5. Step 5: Solve for x
    x = 1,709,645.85/1,593.15
  6. Step 6: Final answer
    x = 1,073.12

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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.