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Finding the Fourth Proportional to 23,172.35, 34,759.73 and 7,379.10

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Solution

The fourth proportional to 23,172.35, 34,759.73 and 7,379.10 is: 11,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.35 : 34,759.73 = 7,379.10 : x
  2. Step 2: Convert to fraction form
    23,172.35/34,759.73 = 7,379.10/x
  3. Step 3: Cross multiply
    23,172.35x = 34,759.73 × 7,379.10
  4. Step 4: Simplify right side
    23,172.35x = 256,495,542.09
  5. Step 5: Solve for x
    x = 256,495,542.09/23,172.35
  6. Step 6: Final answer
    x = 11,069.04

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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.