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Finding the Fourth Proportional to 5,762.97, 8,642.97 and 2,064.78

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Solution

The fourth proportional to 5,762.97, 8,642.97 and 2,064.78 is: 3,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762.97 : 8,642.97 = 2,064.78 : x
  2. Step 2: Convert to fraction form
    5,762.97/8,642.97 = 2,064.78/x
  3. Step 3: Cross multiply
    5,762.97x = 8,642.97 × 2,064.78
  4. Step 4: Simplify right side
    5,762.97x = 17,845,831.60
  5. Step 5: Solve for x
    x = 17,845,831.60/5,762.97
  6. Step 6: Final answer
    x = 3,096.64

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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.