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Finding the Fourth Proportional to 5,902.72, 8,859.54 and 2,983.07

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Solution

The fourth proportional to 5,902.72, 8,859.54 and 2,983.07 is: 4,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.72 : 8,859.54 = 2,983.07 : x
  2. Step 2: Convert to fraction form
    5,902.72/8,859.54 = 2,983.07/x
  3. Step 3: Cross multiply
    5,902.72x = 8,859.54 × 2,983.07
  4. Step 4: Simplify right side
    5,902.72x = 26,428,627.99
  5. Step 5: Solve for x
    x = 26,428,627.99/5,902.72
  6. Step 6: Final answer
    x = 4,477.36

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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.