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Finding the Fourth Proportional to 9,990.44, 14,994.86 and 5,063.57

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Solution

The fourth proportional to 9,990.44, 14,994.86 and 5,063.57 is: 7,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.44 : 14,994.86 = 5,063.57 : x
  2. Step 2: Convert to fraction form
    9,990.44/14,994.86 = 5,063.57/x
  3. Step 3: Cross multiply
    9,990.44x = 14,994.86 × 5,063.57
  4. Step 4: Simplify right side
    9,990.44x = 75,927,523.25
  5. Step 5: Solve for x
    x = 75,927,523.25/9,990.44
  6. Step 6: Final answer
    x = 7,600.02

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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.