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Finding the Fourth Proportional to 9,669.64, 14,479.85 and 6,372.74

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Solution

The fourth proportional to 9,669.64, 14,479.85 and 6,372.74 is: 9,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.64 : 14,479.85 = 6,372.74 : x
  2. Step 2: Convert to fraction form
    9,669.64/14,479.85 = 6,372.74/x
  3. Step 3: Cross multiply
    9,669.64x = 14,479.85 × 6,372.74
  4. Step 4: Simplify right side
    9,669.64x = 92,276,215.03
  5. Step 5: Solve for x
    x = 92,276,215.03/9,669.64
  6. Step 6: Final answer
    x = 9,542.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.