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Finding the Fourth Proportional to 1,658.56, 2,487.34 and 1,194.94

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Solution

The fourth proportional to 1,658.56, 2,487.34 and 1,194.94 is: 1,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.56 : 2,487.34 = 1,194.94 : x
  2. Step 2: Convert to fraction form
    1,658.56/2,487.34 = 1,194.94/x
  3. Step 3: Cross multiply
    1,658.56x = 2,487.34 × 1,194.94
  4. Step 4: Simplify right side
    1,658.56x = 2,972,222.06
  5. Step 5: Solve for x
    x = 2,972,222.06/1,658.56
  6. Step 6: Final answer
    x = 1,792.05

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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.