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Finding the Fourth Proportional to 1,773.81, 2,662.35 and 896.93

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Solution

The fourth proportional to 1,773.81, 2,662.35 and 896.93 is: 1,346.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.81 : 2,662.35 = 896.93 : x
  2. Step 2: Convert to fraction form
    1,773.81/2,662.35 = 896.93/x
  3. Step 3: Cross multiply
    1,773.81x = 2,662.35 × 896.93
  4. Step 4: Simplify right side
    1,773.81x = 2,387,941.62
  5. Step 5: Solve for x
    x = 2,387,941.62/1,773.81
  6. Step 6: Final answer
    x = 1,346.22

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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.