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Finding the Fourth Proportional to 1,774.92, 2,662.02 and 1,045.56

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Solution

The fourth proportional to 1,774.92, 2,662.02 and 1,045.56 is: 1,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.92 : 2,662.02 = 1,045.56 : x
  2. Step 2: Convert to fraction form
    1,774.92/2,662.02 = 1,045.56/x
  3. Step 3: Cross multiply
    1,774.92x = 2,662.02 × 1,045.56
  4. Step 4: Simplify right side
    1,774.92x = 2,783,301.63
  5. Step 5: Solve for x
    x = 2,783,301.63/1,774.92
  6. Step 6: Final answer
    x = 1,568.13

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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.