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Finding the Fourth Proportional to 2,047.52, 2,825.80 and 1,261.56

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Solution

The fourth proportional to 2,047.52, 2,825.80 and 1,261.56 is: 1,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.52 : 2,825.80 = 1,261.56 : x
  2. Step 2: Convert to fraction form
    2,047.52/2,825.80 = 1,261.56/x
  3. Step 3: Cross multiply
    2,047.52x = 2,825.80 × 1,261.56
  4. Step 4: Simplify right side
    2,047.52x = 3,564,916.25
  5. Step 5: Solve for x
    x = 3,564,916.25/2,047.52
  6. Step 6: Final answer
    x = 1,741.09

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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.