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Finding the Fourth Proportional to 7,602.10, 11,399.51 and 3,902.43

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Solution

The fourth proportional to 7,602.10, 11,399.51 and 3,902.43 is: 5,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.10 : 11,399.51 = 3,902.43 : x
  2. Step 2: Convert to fraction form
    7,602.10/11,399.51 = 3,902.43/x
  3. Step 3: Cross multiply
    7,602.10x = 11,399.51 × 3,902.43
  4. Step 4: Simplify right side
    7,602.10x = 44,485,713.30
  5. Step 5: Solve for x
    x = 44,485,713.30/7,602.10
  6. Step 6: Final answer
    x = 5,851.77

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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.