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Finding the Fourth Proportional to 7,509.05, 11,270.05 and 2,895.29

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Solution

The fourth proportional to 7,509.05, 11,270.05 and 2,895.29 is: 4,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.05 : 11,270.05 = 2,895.29 : x
  2. Step 2: Convert to fraction form
    7,509.05/11,270.05 = 2,895.29/x
  3. Step 3: Cross multiply
    7,509.05x = 11,270.05 × 2,895.29
  4. Step 4: Simplify right side
    7,509.05x = 32,629,999.48
  5. Step 5: Solve for x
    x = 32,629,999.48/7,509.05
  6. Step 6: Final answer
    x = 4,345.43

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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.