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Finding the Fourth Proportional to 7,393.72, 11,100.30 and 5,203.48

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Solution

The fourth proportional to 7,393.72, 11,100.30 and 5,203.48 is: 7,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.72 : 11,100.30 = 5,203.48 : x
  2. Step 2: Convert to fraction form
    7,393.72/11,100.30 = 5,203.48/x
  3. Step 3: Cross multiply
    7,393.72x = 11,100.30 × 5,203.48
  4. Step 4: Simplify right side
    7,393.72x = 57,760,189.04
  5. Step 5: Solve for x
    x = 57,760,189.04/7,393.72
  6. Step 6: Final answer
    x = 7,812.06

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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.