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Finding the Fourth Proportional to 1,774.56, 2,663.40 and 1,483.80

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Solution

The fourth proportional to 1,774.56, 2,663.40 and 1,483.80 is: 2,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.56 : 2,663.40 = 1,483.80 : x
  2. Step 2: Convert to fraction form
    1,774.56/2,663.40 = 1,483.80/x
  3. Step 3: Cross multiply
    1,774.56x = 2,663.40 × 1,483.80
  4. Step 4: Simplify right side
    1,774.56x = 3,951,952.92
  5. Step 5: Solve for x
    x = 3,951,952.92/1,774.56
  6. Step 6: Final answer
    x = 2,227.00

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Why These Related Problems?

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