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Finding the Fourth Proportional to 34,673.92, 51,990.81 and 13,589.32

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Solution

The fourth proportional to 34,673.92, 51,990.81 and 13,589.32 is: 20,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,673.92 : 51,990.81 = 13,589.32 : x
  2. Step 2: Convert to fraction form
    34,673.92/51,990.81 = 13,589.32/x
  3. Step 3: Cross multiply
    34,673.92x = 51,990.81 × 13,589.32
  4. Step 4: Simplify right side
    34,673.92x = 706,519,754.15
  5. Step 5: Solve for x
    x = 706,519,754.15/34,673.92
  6. Step 6: Final answer
    x = 20,376.11

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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.