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Finding the Fourth Proportional to 6,604.40, 9,114.02 and 3,620.42

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Solution

The fourth proportional to 6,604.40, 9,114.02 and 3,620.42 is: 4,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604.40 : 9,114.02 = 3,620.42 : x
  2. Step 2: Convert to fraction form
    6,604.40/9,114.02 = 3,620.42/x
  3. Step 3: Cross multiply
    6,604.40x = 9,114.02 × 3,620.42
  4. Step 4: Simplify right side
    6,604.40x = 32,996,580.29
  5. Step 5: Solve for x
    x = 32,996,580.29/6,604.40
  6. Step 6: Final answer
    x = 4,996.15

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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.