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Finding the Fourth Proportional to 9,910.80, 14,853.60 and 4,060.80

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Solution

The fourth proportional to 9,910.80, 14,853.60 and 4,060.80 is: 6,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.80 : 14,853.60 = 4,060.80 : x
  2. Step 2: Convert to fraction form
    9,910.80/14,853.60 = 4,060.80/x
  3. Step 3: Cross multiply
    9,910.80x = 14,853.60 × 4,060.80
  4. Step 4: Simplify right side
    9,910.80x = 60,317,498.88
  5. Step 5: Solve for x
    x = 60,317,498.88/9,910.80
  6. Step 6: Final answer
    x = 6,086.04

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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.