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Finding the Fourth Proportional to 23,161.40, 34,741.74 and 7,366.20

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Solution

The fourth proportional to 23,161.40, 34,741.74 and 7,366.20 is: 11,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.40 : 34,741.74 = 7,366.20 : x
  2. Step 2: Convert to fraction form
    23,161.40/34,741.74 = 7,366.20/x
  3. Step 3: Cross multiply
    23,161.40x = 34,741.74 × 7,366.20
  4. Step 4: Simplify right side
    23,161.40x = 255,914,696.87
  5. Step 5: Solve for x
    x = 255,914,696.87/23,161.40
  6. Step 6: Final answer
    x = 11,049.19

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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.