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Finding the Fourth Proportional to 7,489.37, 11,210.37 and 4,706.42

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Solution

The fourth proportional to 7,489.37, 11,210.37 and 4,706.42 is: 7,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.37 : 11,210.37 = 4,706.42 : x
  2. Step 2: Convert to fraction form
    7,489.37/11,210.37 = 4,706.42/x
  3. Step 3: Cross multiply
    7,489.37x = 11,210.37 × 4,706.42
  4. Step 4: Simplify right side
    7,489.37x = 52,760,635.87
  5. Step 5: Solve for x
    x = 52,760,635.87/7,489.37
  6. Step 6: Final answer
    x = 7,044.73

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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.