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Finding the Fourth Proportional to 1,066.12, 1,471.22 and 593.98

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Solution

The fourth proportional to 1,066.12, 1,471.22 and 593.98 is: 819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.12 : 1,471.22 = 593.98 : x
  2. Step 2: Convert to fraction form
    1,066.12/1,471.22 = 593.98/x
  3. Step 3: Cross multiply
    1,066.12x = 1,471.22 × 593.98
  4. Step 4: Simplify right side
    1,066.12x = 873,870.84
  5. Step 5: Solve for x
    x = 873,870.84/1,066.12
  6. Step 6: Final answer
    x = 819.68

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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.