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Finding the Fourth Proportional to 7,569.02, 11,353.73 and 2,638.96

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Solution

The fourth proportional to 7,569.02, 11,353.73 and 2,638.96 is: 3,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.02 : 11,353.73 = 2,638.96 : x
  2. Step 2: Convert to fraction form
    7,569.02/11,353.73 = 2,638.96/x
  3. Step 3: Cross multiply
    7,569.02x = 11,353.73 × 2,638.96
  4. Step 4: Simplify right side
    7,569.02x = 29,962,039.32
  5. Step 5: Solve for x
    x = 29,962,039.32/7,569.02
  6. Step 6: Final answer
    x = 3,958.51

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1.5x scale

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.