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Finding the Fourth Proportional to 3,263.98, 4,503.81 and 1,866.46

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Solution

The fourth proportional to 3,263.98, 4,503.81 and 1,866.46 is: 2,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.98 : 4,503.81 = 1,866.46 : x
  2. Step 2: Convert to fraction form
    3,263.98/4,503.81 = 1,866.46/x
  3. Step 3: Cross multiply
    3,263.98x = 4,503.81 × 1,866.46
  4. Step 4: Simplify right side
    3,263.98x = 8,406,176.95
  5. Step 5: Solve for x
    x = 8,406,176.95/3,263.98
  6. Step 6: Final answer
    x = 2,575.44

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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.