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Finding the Fourth Proportional to 7,980.54, 11,963.07 and 4,472.25

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Solution

The fourth proportional to 7,980.54, 11,963.07 and 4,472.25 is: 6,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.54 : 11,963.07 = 4,472.25 : x
  2. Step 2: Convert to fraction form
    7,980.54/11,963.07 = 4,472.25/x
  3. Step 3: Cross multiply
    7,980.54x = 11,963.07 × 4,472.25
  4. Step 4: Simplify right side
    7,980.54x = 53,501,839.81
  5. Step 5: Solve for x
    x = 53,501,839.81/7,980.54
  6. Step 6: Final answer
    x = 6,704.04

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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.