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Finding the Fourth Proportional to 9,520.88, 14,287.79 and 3,364.88

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Solution

The fourth proportional to 9,520.88, 14,287.79 and 3,364.88 is: 5,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.88 : 14,287.79 = 3,364.88 : x
  2. Step 2: Convert to fraction form
    9,520.88/14,287.79 = 3,364.88/x
  3. Step 3: Cross multiply
    9,520.88x = 14,287.79 × 3,364.88
  4. Step 4: Simplify right side
    9,520.88x = 48,076,635.79
  5. Step 5: Solve for x
    x = 48,076,635.79/9,520.88
  6. Step 6: Final answer
    x = 5,049.60

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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.