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Finding the Fourth Proportional to 7,232.56, 9,981.06 and 4,247.26

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Solution

The fourth proportional to 7,232.56, 9,981.06 and 4,247.26 is: 5,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.56 : 9,981.06 = 4,247.26 : x
  2. Step 2: Convert to fraction form
    7,232.56/9,981.06 = 4,247.26/x
  3. Step 3: Cross multiply
    7,232.56x = 9,981.06 × 4,247.26
  4. Step 4: Simplify right side
    7,232.56x = 42,392,156.90
  5. Step 5: Solve for x
    x = 42,392,156.90/7,232.56
  6. Step 6: Final answer
    x = 5,861.29

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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.