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Finding the Fourth Proportional to 6,554.09, 9,831.11 and 2,658.48

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Solution

The fourth proportional to 6,554.09, 9,831.11 and 2,658.48 is: 3,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.09 : 9,831.11 = 2,658.48 : x
  2. Step 2: Convert to fraction form
    6,554.09/9,831.11 = 2,658.48/x
  3. Step 3: Cross multiply
    6,554.09x = 9,831.11 × 2,658.48
  4. Step 4: Simplify right side
    6,554.09x = 26,135,796.02
  5. Step 5: Solve for x
    x = 26,135,796.02/6,554.09
  6. Step 6: Final answer
    x = 3,987.71

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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.