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Finding the Fourth Proportional to 7,391.52, 11,034.36 and 6,851.52

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Solution

The fourth proportional to 7,391.52, 11,034.36 and 6,851.52 is: 10,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.52 : 11,034.36 = 6,851.52 : x
  2. Step 2: Convert to fraction form
    7,391.52/11,034.36 = 6,851.52/x
  3. Step 3: Cross multiply
    7,391.52x = 11,034.36 × 6,851.52
  4. Step 4: Simplify right side
    7,391.52x = 75,602,138.23
  5. Step 5: Solve for x
    x = 75,602,138.23/7,391.52
  6. Step 6: Final answer
    x = 10,228.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.