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Finding the Fourth Proportional to 2,742.63, 4,114.17 and 894.03

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Solution

The fourth proportional to 2,742.63, 4,114.17 and 894.03 is: 1,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.63 : 4,114.17 = 894.03 : x
  2. Step 2: Convert to fraction form
    2,742.63/4,114.17 = 894.03/x
  3. Step 3: Cross multiply
    2,742.63x = 4,114.17 × 894.03
  4. Step 4: Simplify right side
    2,742.63x = 3,678,191.41
  5. Step 5: Solve for x
    x = 3,678,191.41/2,742.63
  6. Step 6: Final answer
    x = 1,341.12

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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.