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Finding the Fourth Proportional to 3,604.10, 5,406.54 and 1,756.22

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Solution

The fourth proportional to 3,604.10, 5,406.54 and 1,756.22 is: 2,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.10 : 5,406.54 = 1,756.22 : x
  2. Step 2: Convert to fraction form
    3,604.10/5,406.54 = 1,756.22/x
  3. Step 3: Cross multiply
    3,604.10x = 5,406.54 × 1,756.22
  4. Step 4: Simplify right side
    3,604.10x = 9,495,073.68
  5. Step 5: Solve for x
    x = 9,495,073.68/3,604.10
  6. Step 6: Final answer
    x = 2,634.52

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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.