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Finding the Fourth Proportional to 1,372.57, 2,057.37 and 592.93

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Solution

The fourth proportional to 1,372.57, 2,057.37 and 592.93 is: 888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.57 : 2,057.37 = 592.93 : x
  2. Step 2: Convert to fraction form
    1,372.57/2,057.37 = 592.93/x
  3. Step 3: Cross multiply
    1,372.57x = 2,057.37 × 592.93
  4. Step 4: Simplify right side
    1,372.57x = 1,219,881.54
  5. Step 5: Solve for x
    x = 1,219,881.54/1,372.57
  6. Step 6: Final answer
    x = 888.76

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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.