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Finding the Fourth Proportional to 1,755.61, 2,635.04 and 890.53

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Solution

The fourth proportional to 1,755.61, 2,635.04 and 890.53 is: 1,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.61 : 2,635.04 = 890.53 : x
  2. Step 2: Convert to fraction form
    1,755.61/2,635.04 = 890.53/x
  3. Step 3: Cross multiply
    1,755.61x = 2,635.04 × 890.53
  4. Step 4: Simplify right side
    1,755.61x = 2,346,582.17
  5. Step 5: Solve for x
    x = 2,346,582.17/1,755.61
  6. Step 6: Final answer
    x = 1,336.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.