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Finding the Fourth Proportional to 6,408.53, 8,853.29 and 6,359.32

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Solution

The fourth proportional to 6,408.53, 8,853.29 and 6,359.32 is: 8,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.53 : 8,853.29 = 6,359.32 : x
  2. Step 2: Convert to fraction form
    6,408.53/8,853.29 = 6,359.32/x
  3. Step 3: Cross multiply
    6,408.53x = 8,853.29 × 6,359.32
  4. Step 4: Simplify right side
    6,408.53x = 56,300,907.28
  5. Step 5: Solve for x
    x = 56,300,907.28/6,408.53
  6. Step 6: Final answer
    x = 8,785.31

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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.