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Finding the Fourth Proportional to 3,465.63, 5,201.81 and 3,278.34

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Solution

The fourth proportional to 3,465.63, 5,201.81 and 3,278.34 is: 4,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.63 : 5,201.81 = 3,278.34 : x
  2. Step 2: Convert to fraction form
    3,465.63/5,201.81 = 3,278.34/x
  3. Step 3: Cross multiply
    3,465.63x = 5,201.81 × 3,278.34
  4. Step 4: Simplify right side
    3,465.63x = 17,053,285.40
  5. Step 5: Solve for x
    x = 17,053,285.40/3,465.63
  6. Step 6: Final answer
    x = 4,920.69

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1.5x scale

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.