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Finding the Fourth Proportional to 2,127.83, 3,191.03 and 895.01

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Solution

The fourth proportional to 2,127.83, 3,191.03 and 895.01 is: 1,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.83 : 3,191.03 = 895.01 : x
  2. Step 2: Convert to fraction form
    2,127.83/3,191.03 = 895.01/x
  3. Step 3: Cross multiply
    2,127.83x = 3,191.03 × 895.01
  4. Step 4: Simplify right side
    2,127.83x = 2,856,003.76
  5. Step 5: Solve for x
    x = 2,856,003.76/2,127.83
  6. Step 6: Final answer
    x = 1,342.21

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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.