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Finding the Fourth Proportional to 7,652.76, 11,479.78 and 3,270.26

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Solution

The fourth proportional to 7,652.76, 11,479.78 and 3,270.26 is: 4,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.76 : 11,479.78 = 3,270.26 : x
  2. Step 2: Convert to fraction form
    7,652.76/11,479.78 = 3,270.26/x
  3. Step 3: Cross multiply
    7,652.76x = 11,479.78 × 3,270.26
  4. Step 4: Simplify right side
    7,652.76x = 37,541,865.34
  5. Step 5: Solve for x
    x = 37,541,865.34/7,652.76
  6. Step 6: Final answer
    x = 4,905.66

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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.