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Finding the Fourth Proportional to 3,537.68, 4,881.87 and 1,965.67

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Solution

The fourth proportional to 3,537.68, 4,881.87 and 1,965.67 is: 2,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.68 : 4,881.87 = 1,965.67 : x
  2. Step 2: Convert to fraction form
    3,537.68/4,881.87 = 1,965.67/x
  3. Step 3: Cross multiply
    3,537.68x = 4,881.87 × 1,965.67
  4. Step 4: Simplify right side
    3,537.68x = 9,596,133.20
  5. Step 5: Solve for x
    x = 9,596,133.20/3,537.68
  6. Step 6: Final answer
    x = 2,712.55

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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.