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Finding the Fourth Proportional to 1,447.44, 1,994.76 and 1,032.72

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Solution

The fourth proportional to 1,447.44, 1,994.76 and 1,032.72 is: 1,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.44 : 1,994.76 = 1,032.72 : x
  2. Step 2: Convert to fraction form
    1,447.44/1,994.76 = 1,032.72/x
  3. Step 3: Cross multiply
    1,447.44x = 1,994.76 × 1,032.72
  4. Step 4: Simplify right side
    1,447.44x = 2,060,028.55
  5. Step 5: Solve for x
    x = 2,060,028.55/1,447.44
  6. Step 6: Final answer
    x = 1,423.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.