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Finding the Fourth Proportional to 1,792.34, 2,473.53 and 1,193.79

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Solution

The fourth proportional to 1,792.34, 2,473.53 and 1,193.79 is: 1,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.34 : 2,473.53 = 1,193.79 : x
  2. Step 2: Convert to fraction form
    1,792.34/2,473.53 = 1,193.79/x
  3. Step 3: Cross multiply
    1,792.34x = 2,473.53 × 1,193.79
  4. Step 4: Simplify right side
    1,792.34x = 2,952,869.41
  5. Step 5: Solve for x
    x = 2,952,869.41/1,792.34
  6. Step 6: Final answer
    x = 1,647.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.