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Finding the Fourth Proportional to 4,990.89, 6,837.51 and 4,803.96

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Solution

The fourth proportional to 4,990.89, 6,837.51 and 4,803.96 is: 6,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.89 : 6,837.51 = 4,803.96 : x
  2. Step 2: Convert to fraction form
    4,990.89/6,837.51 = 4,803.96/x
  3. Step 3: Cross multiply
    4,990.89x = 6,837.51 × 4,803.96
  4. Step 4: Simplify right side
    4,990.89x = 32,847,124.54
  5. Step 5: Solve for x
    x = 32,847,124.54/4,990.89
  6. Step 6: Final answer
    x = 6,581.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.