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Finding the Fourth Proportional to 7,443.56, 10,272.52 and 4,300.76

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Solution

The fourth proportional to 7,443.56, 10,272.52 and 4,300.76 is: 5,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.56 : 10,272.52 = 4,300.76 : x
  2. Step 2: Convert to fraction form
    7,443.56/10,272.52 = 4,300.76/x
  3. Step 3: Cross multiply
    7,443.56x = 10,272.52 × 4,300.76
  4. Step 4: Simplify right side
    7,443.56x = 44,179,674.17
  5. Step 5: Solve for x
    x = 44,179,674.17/7,443.56
  6. Step 6: Final answer
    x = 5,935.29

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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.