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Finding the Fourth Proportional to 5,059.41, 7,589.03 and 1,981.41

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Solution

The fourth proportional to 5,059.41, 7,589.03 and 1,981.41 is: 2,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.41 : 7,589.03 = 1,981.41 : x
  2. Step 2: Convert to fraction form
    5,059.41/7,589.03 = 1,981.41/x
  3. Step 3: Cross multiply
    5,059.41x = 7,589.03 × 1,981.41
  4. Step 4: Simplify right side
    5,059.41x = 15,036,970.03
  5. Step 5: Solve for x
    x = 15,036,970.03/5,059.41
  6. Step 6: Final answer
    x = 2,972.08

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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.