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Finding the Fourth Proportional to 1,372.93, 2,058.91 and 592.90

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Solution

The fourth proportional to 1,372.93, 2,058.91 and 592.90 is: 889.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.93 : 2,058.91 = 592.90 : x
  2. Step 2: Convert to fraction form
    1,372.93/2,058.91 = 592.90/x
  3. Step 3: Cross multiply
    1,372.93x = 2,058.91 × 592.90
  4. Step 4: Simplify right side
    1,372.93x = 1,220,727.74
  5. Step 5: Solve for x
    x = 1,220,727.74/1,372.93
  6. Step 6: Final answer
    x = 889.14

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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.