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Finding the Fourth Proportional to 2,775.84, 4,165.44 and 1,044.48

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Solution

The fourth proportional to 2,775.84, 4,165.44 and 1,044.48 is: 1,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.84 : 4,165.44 = 1,044.48 : x
  2. Step 2: Convert to fraction form
    2,775.84/4,165.44 = 1,044.48/x
  3. Step 3: Cross multiply
    2,775.84x = 4,165.44 × 1,044.48
  4. Step 4: Simplify right side
    2,775.84x = 4,350,718.77
  5. Step 5: Solve for x
    x = 4,350,718.77/2,775.84
  6. Step 6: Final answer
    x = 1,567.35

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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.