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Finding the Fourth Proportional to 3,293.94, 4,545.65 and 1,801.87

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Solution

The fourth proportional to 3,293.94, 4,545.65 and 1,801.87 is: 2,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.94 : 4,545.65 = 1,801.87 : x
  2. Step 2: Convert to fraction form
    3,293.94/4,545.65 = 1,801.87/x
  3. Step 3: Cross multiply
    3,293.94x = 4,545.65 × 1,801.87
  4. Step 4: Simplify right side
    3,293.94x = 8,190,670.37
  5. Step 5: Solve for x
    x = 8,190,670.37/3,293.94
  6. Step 6: Final answer
    x = 2,486.59

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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.