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Finding the Fourth Proportional to 6,920.17, 9,554.43 and 5,324.00

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Solution

The fourth proportional to 6,920.17, 9,554.43 and 5,324.00 is: 7,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920.17 : 9,554.43 = 5,324.00 : x
  2. Step 2: Convert to fraction form
    6,920.17/9,554.43 = 5,324.00/x
  3. Step 3: Cross multiply
    6,920.17x = 9,554.43 × 5,324.00
  4. Step 4: Simplify right side
    6,920.17x = 50,867,781.31
  5. Step 5: Solve for x
    x = 50,867,781.31/6,920.17
  6. Step 6: Final answer
    x = 7,350.66

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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.