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Finding the Fourth Proportional to 1,958.23, 2,937.36 and 497.38

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Solution

The fourth proportional to 1,958.23, 2,937.36 and 497.38 is: 746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.23 : 2,937.36 = 497.38 : x
  2. Step 2: Convert to fraction form
    1,958.23/2,937.36 = 497.38/x
  3. Step 3: Cross multiply
    1,958.23x = 2,937.36 × 497.38
  4. Step 4: Simplify right side
    1,958.23x = 1,460,984.12
  5. Step 5: Solve for x
    x = 1,460,984.12/1,958.23
  6. Step 6: Final answer
    x = 746.07

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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.