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Finding the Fourth Proportional to 6,571.80, 9,068.97 and 3,739.11

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Solution

The fourth proportional to 6,571.80, 9,068.97 and 3,739.11 is: 5,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.80 : 9,068.97 = 3,739.11 : x
  2. Step 2: Convert to fraction form
    6,571.80/9,068.97 = 3,739.11/x
  3. Step 3: Cross multiply
    6,571.80x = 9,068.97 × 3,739.11
  4. Step 4: Simplify right side
    6,571.80x = 33,909,884.40
  5. Step 5: Solve for x
    x = 33,909,884.40/6,571.80
  6. Step 6: Final answer
    x = 5,159.91

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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.