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Finding the Fourth Proportional to 6,395.36, 9,548.18 and 5,411.48

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Solution

The fourth proportional to 6,395.36, 9,548.18 and 5,411.48 is: 8,079.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.36 : 9,548.18 = 5,411.48 : x
  2. Step 2: Convert to fraction form
    6,395.36/9,548.18 = 5,411.48/x
  3. Step 3: Cross multiply
    6,395.36x = 9,548.18 × 5,411.48
  4. Step 4: Simplify right side
    6,395.36x = 51,669,785.11
  5. Step 5: Solve for x
    x = 51,669,785.11/6,395.36
  6. Step 6: Final answer
    x = 8,079.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.