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Finding the Fourth Proportional to 7,304.10, 10,956.15 and 3,606.90

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Solution

The fourth proportional to 7,304.10, 10,956.15 and 3,606.90 is: 5,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,304.10 : 10,956.15 = 3,606.90 : x
  2. Step 2: Convert to fraction form
    7,304.10/10,956.15 = 3,606.90/x
  3. Step 3: Cross multiply
    7,304.10x = 10,956.15 × 3,606.90
  4. Step 4: Simplify right side
    7,304.10x = 39,517,737.44
  5. Step 5: Solve for x
    x = 39,517,737.44/7,304.10
  6. Step 6: Final answer
    x = 5,410.35

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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.