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Finding the Fourth Proportional to 11,792.52, 17,674.54 and 5,211.24

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Solution

The fourth proportional to 11,792.52, 17,674.54 and 5,211.24 is: 7,810.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.52 : 17,674.54 = 5,211.24 : x
  2. Step 2: Convert to fraction form
    11,792.52/17,674.54 = 5,211.24/x
  3. Step 3: Cross multiply
    11,792.52x = 17,674.54 × 5,211.24
  4. Step 4: Simplify right side
    11,792.52x = 92,106,269.83
  5. Step 5: Solve for x
    x = 92,106,269.83/11,792.52
  6. Step 6: Final answer
    x = 7,810.57

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1.5x scale

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.