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Finding the Fourth Proportional to 2,775.47, 3,830.29 and 1,596.71

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Solution

The fourth proportional to 2,775.47, 3,830.29 and 1,596.71 is: 2,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.47 : 3,830.29 = 1,596.71 : x
  2. Step 2: Convert to fraction form
    2,775.47/3,830.29 = 1,596.71/x
  3. Step 3: Cross multiply
    2,775.47x = 3,830.29 × 1,596.71
  4. Step 4: Simplify right side
    2,775.47x = 6,115,867.93
  5. Step 5: Solve for x
    x = 6,115,867.93/2,775.47
  6. Step 6: Final answer
    x = 2,203.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.