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Finding the Fourth Proportional to 8,625.57, 11,895.41 and 6,393.02

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Solution

The fourth proportional to 8,625.57, 11,895.41 and 6,393.02 is: 8,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.57 : 11,895.41 = 6,393.02 : x
  2. Step 2: Convert to fraction form
    8,625.57/11,895.41 = 6,393.02/x
  3. Step 3: Cross multiply
    8,625.57x = 11,895.41 × 6,393.02
  4. Step 4: Simplify right side
    8,625.57x = 76,047,502.60
  5. Step 5: Solve for x
    x = 76,047,502.60/8,625.57
  6. Step 6: Final answer
    x = 8,816.52

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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.