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Finding the Fourth Proportional to 12,902.23, 17,806.72 and 7,597.54

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Solution

The fourth proportional to 12,902.23, 17,806.72 and 7,597.54 is: 10,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.23 : 17,806.72 = 7,597.54 : x
  2. Step 2: Convert to fraction form
    12,902.23/17,806.72 = 7,597.54/x
  3. Step 3: Cross multiply
    12,902.23x = 17,806.72 × 7,597.54
  4. Step 4: Simplify right side
    12,902.23x = 135,287,178.44
  5. Step 5: Solve for x
    x = 135,287,178.44/12,902.23
  6. Step 6: Final answer
    x = 10,485.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.