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Finding the Fourth Proportional to 1,995.49, 2,753.76 and 1,111.24

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Solution

The fourth proportional to 1,995.49, 2,753.76 and 1,111.24 is: 1,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.49 : 2,753.76 = 1,111.24 : x
  2. Step 2: Convert to fraction form
    1,995.49/2,753.76 = 1,111.24/x
  3. Step 3: Cross multiply
    1,995.49x = 2,753.76 × 1,111.24
  4. Step 4: Simplify right side
    1,995.49x = 3,060,088.26
  5. Step 5: Solve for x
    x = 3,060,088.26/1,995.49
  6. Step 6: Final answer
    x = 1,533.50

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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.