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Finding the Fourth Proportional to 7,223.24, 9,968.72 and 4,389.96

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Solution

The fourth proportional to 7,223.24, 9,968.72 and 4,389.96 is: 6,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.24 : 9,968.72 = 4,389.96 : x
  2. Step 2: Convert to fraction form
    7,223.24/9,968.72 = 4,389.96/x
  3. Step 3: Cross multiply
    7,223.24x = 9,968.72 × 4,389.96
  4. Step 4: Simplify right side
    7,223.24x = 43,762,282.05
  5. Step 5: Solve for x
    x = 43,762,282.05/7,223.24
  6. Step 6: Final answer
    x = 6,058.54

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1.5x scale

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.