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Finding the Fourth Proportional to 7,204.07, 9,941.61 and 3,892.07

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Solution

The fourth proportional to 7,204.07, 9,941.61 and 3,892.07 is: 5,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.07 : 9,941.61 = 3,892.07 : x
  2. Step 2: Convert to fraction form
    7,204.07/9,941.61 = 3,892.07/x
  3. Step 3: Cross multiply
    7,204.07x = 9,941.61 × 3,892.07
  4. Step 4: Simplify right side
    7,204.07x = 38,693,442.03
  5. Step 5: Solve for x
    x = 38,693,442.03/7,204.07
  6. Step 6: Final answer
    x = 5,371.05

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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.