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Finding the Fourth Proportional to 6,080.81, 8,391.47 and 3,392.00

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Solution

The fourth proportional to 6,080.81, 8,391.47 and 3,392.00 is: 4,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.81 : 8,391.47 = 3,392.00 : x
  2. Step 2: Convert to fraction form
    6,080.81/8,391.47 = 3,392.00/x
  3. Step 3: Cross multiply
    6,080.81x = 8,391.47 × 3,392.00
  4. Step 4: Simplify right side
    6,080.81x = 28,463,807.32
  5. Step 5: Solve for x
    x = 28,463,807.32/6,080.81
  6. Step 6: Final answer
    x = 4,680.93

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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.