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Finding the Fourth Proportional to 2,995.53, 4,492.90 and 804.43

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Solution

The fourth proportional to 2,995.53, 4,492.90 and 804.43 is: 1,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.53 : 4,492.90 = 804.43 : x
  2. Step 2: Convert to fraction form
    2,995.53/4,492.90 = 804.43/x
  3. Step 3: Cross multiply
    2,995.53x = 4,492.90 × 804.43
  4. Step 4: Simplify right side
    2,995.53x = 3,614,223.55
  5. Step 5: Solve for x
    x = 3,614,223.55/2,995.53
  6. Step 6: Final answer
    x = 1,206.54

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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.