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Finding the Fourth Proportional to 6,571.74, 9,068.52 and 3,738.78

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Solution

The fourth proportional to 6,571.74, 9,068.52 and 3,738.78 is: 5,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.74 : 9,068.52 = 3,738.78 : x
  2. Step 2: Convert to fraction form
    6,571.74/9,068.52 = 3,738.78/x
  3. Step 3: Cross multiply
    6,571.74x = 9,068.52 × 3,738.78
  4. Step 4: Simplify right side
    6,571.74x = 33,905,201.21
  5. Step 5: Solve for x
    x = 33,905,201.21/6,571.74
  6. Step 6: Final answer
    x = 5,159.24

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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.