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Finding the Fourth Proportional to 7,227.53, 9,966.07 and 4,704.99

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Solution

The fourth proportional to 7,227.53, 9,966.07 and 4,704.99 is: 6,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.53 : 9,966.07 = 4,704.99 : x
  2. Step 2: Convert to fraction form
    7,227.53/9,966.07 = 4,704.99/x
  3. Step 3: Cross multiply
    7,227.53x = 9,966.07 × 4,704.99
  4. Step 4: Simplify right side
    7,227.53x = 46,890,228.20
  5. Step 5: Solve for x
    x = 46,890,228.20/7,227.53
  6. Step 6: Final answer
    x = 6,487.73

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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.