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Finding the Fourth Proportional to 2,994.76, 4,492.05 and 803.53

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Solution

The fourth proportional to 2,994.76, 4,492.05 and 803.53 is: 1,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.76 : 4,492.05 = 803.53 : x
  2. Step 2: Convert to fraction form
    2,994.76/4,492.05 = 803.53/x
  3. Step 3: Cross multiply
    2,994.76x = 4,492.05 × 803.53
  4. Step 4: Simplify right side
    2,994.76x = 3,609,496.94
  5. Step 5: Solve for x
    x = 3,609,496.94/2,994.76
  6. Step 6: Final answer
    x = 1,205.27

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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.