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Finding the Fourth Proportional to 7,630.26, 10,529.02 and 4,272.81

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Solution

The fourth proportional to 7,630.26, 10,529.02 and 4,272.81 is: 5,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.26 : 10,529.02 = 4,272.81 : x
  2. Step 2: Convert to fraction form
    7,630.26/10,529.02 = 4,272.81/x
  3. Step 3: Cross multiply
    7,630.26x = 10,529.02 × 4,272.81
  4. Step 4: Simplify right side
    7,630.26x = 44,988,501.95
  5. Step 5: Solve for x
    x = 44,988,501.95/7,630.26
  6. Step 6: Final answer
    x = 5,896.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.