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Finding the Fourth Proportional to 7,443.10, 10,270.72 and 4,300.30

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Solution

The fourth proportional to 7,443.10, 10,270.72 and 4,300.30 is: 5,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.10 : 10,270.72 = 4,300.30 : x
  2. Step 2: Convert to fraction form
    7,443.10/10,270.72 = 4,300.30/x
  3. Step 3: Cross multiply
    7,443.10x = 10,270.72 × 4,300.30
  4. Step 4: Simplify right side
    7,443.10x = 44,167,177.22
  5. Step 5: Solve for x
    x = 44,167,177.22/7,443.10
  6. Step 6: Final answer
    x = 5,933.98

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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.