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Finding the Fourth Proportional to 8,509.34, 12,751.02 and 3,576.29

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Solution

The fourth proportional to 8,509.34, 12,751.02 and 3,576.29 is: 5,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.34 : 12,751.02 = 3,576.29 : x
  2. Step 2: Convert to fraction form
    8,509.34/12,751.02 = 3,576.29/x
  3. Step 3: Cross multiply
    8,509.34x = 12,751.02 × 3,576.29
  4. Step 4: Simplify right side
    8,509.34x = 45,601,345.32
  5. Step 5: Solve for x
    x = 45,601,345.32/8,509.34
  6. Step 6: Final answer
    x = 5,358.98

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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.