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Finding the Fourth Proportional to 6,395.84, 8,758.48 and 6,040.64

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Solution

The fourth proportional to 6,395.84, 8,758.48 and 6,040.64 is: 8,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.84 : 8,758.48 = 6,040.64 : x
  2. Step 2: Convert to fraction form
    6,395.84/8,758.48 = 6,040.64/x
  3. Step 3: Cross multiply
    6,395.84x = 8,758.48 × 6,040.64
  4. Step 4: Simplify right side
    6,395.84x = 52,906,824.63
  5. Step 5: Solve for x
    x = 52,906,824.63/6,395.84
  6. Step 6: Final answer
    x = 8,272.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.