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Finding the Fourth Proportional to 5,223.96, 7,824.96 and 4,240.08

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Solution

The fourth proportional to 5,223.96, 7,824.96 and 4,240.08 is: 6,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.96 : 7,824.96 = 4,240.08 : x
  2. Step 2: Convert to fraction form
    5,223.96/7,824.96 = 4,240.08/x
  3. Step 3: Cross multiply
    5,223.96x = 7,824.96 × 4,240.08
  4. Step 4: Simplify right side
    5,223.96x = 33,178,456.40
  5. Step 5: Solve for x
    x = 33,178,456.40/5,223.96
  6. Step 6: Final answer
    x = 6,351.21

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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.