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Finding the Fourth Proportional to 7,286.59, 10,920.67 and 4,653.30

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Solution

The fourth proportional to 7,286.59, 10,920.67 and 4,653.30 is: 6,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.59 : 10,920.67 = 4,653.30 : x
  2. Step 2: Convert to fraction form
    7,286.59/10,920.67 = 4,653.30/x
  3. Step 3: Cross multiply
    7,286.59x = 10,920.67 × 4,653.30
  4. Step 4: Simplify right side
    7,286.59x = 50,817,153.71
  5. Step 5: Solve for x
    x = 50,817,153.71/7,286.59
  6. Step 6: Final answer
    x = 6,974.07

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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.