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Finding the Fourth Proportional to 1,774.02, 2,662.44 and 800.19

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Solution

The fourth proportional to 1,774.02, 2,662.44 and 800.19 is: 1,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.02 : 2,662.44 = 800.19 : x
  2. Step 2: Convert to fraction form
    1,774.02/2,662.44 = 800.19/x
  3. Step 3: Cross multiply
    1,774.02x = 2,662.44 × 800.19
  4. Step 4: Simplify right side
    1,774.02x = 2,130,457.86
  5. Step 5: Solve for x
    x = 2,130,457.86/1,774.02
  6. Step 6: Final answer
    x = 1,200.92

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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.