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Finding the Fourth Proportional to 1,558.73, 2,151.27 and 895.74

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Solution

The fourth proportional to 1,558.73, 2,151.27 and 895.74 is: 1,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.73 : 2,151.27 = 895.74 : x
  2. Step 2: Convert to fraction form
    1,558.73/2,151.27 = 895.74/x
  3. Step 3: Cross multiply
    1,558.73x = 2,151.27 × 895.74
  4. Step 4: Simplify right side
    1,558.73x = 1,926,978.59
  5. Step 5: Solve for x
    x = 1,926,978.59/1,558.73
  6. Step 6: Final answer
    x = 1,236.25

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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.