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Finding the Fourth Proportional to 3,352.66, 5,031.42 and 1,622.50

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Solution

The fourth proportional to 3,352.66, 5,031.42 and 1,622.50 is: 2,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.66 : 5,031.42 = 1,622.50 : x
  2. Step 2: Convert to fraction form
    3,352.66/5,031.42 = 1,622.50/x
  3. Step 3: Cross multiply
    3,352.66x = 5,031.42 × 1,622.50
  4. Step 4: Simplify right side
    3,352.66x = 8,163,478.95
  5. Step 5: Solve for x
    x = 8,163,478.95/3,352.66
  6. Step 6: Final answer
    x = 2,434.93

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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.