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Finding the Fourth Proportional to 3,369.60, 4,650.09 and 1,953.39

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Solution

The fourth proportional to 3,369.60, 4,650.09 and 1,953.39 is: 2,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.60 : 4,650.09 = 1,953.39 : x
  2. Step 2: Convert to fraction form
    3,369.60/4,650.09 = 1,953.39/x
  3. Step 3: Cross multiply
    3,369.60x = 4,650.09 × 1,953.39
  4. Step 4: Simplify right side
    3,369.60x = 9,083,411.17
  5. Step 5: Solve for x
    x = 9,083,411.17/3,369.60
  6. Step 6: Final answer
    x = 2,695.70

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1.5x scale

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.