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Finding the Fourth Proportional to 12,597.03, 18,889.74 and 9,072.27

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Solution

The fourth proportional to 12,597.03, 18,889.74 and 9,072.27 is: 13,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597.03 : 18,889.74 = 9,072.27 : x
  2. Step 2: Convert to fraction form
    12,597.03/18,889.74 = 9,072.27/x
  3. Step 3: Cross multiply
    12,597.03x = 18,889.74 × 9,072.27
  4. Step 4: Simplify right side
    12,597.03x = 171,372,821.51
  5. Step 5: Solve for x
    x = 171,372,821.51/12,597.03
  6. Step 6: Final answer
    x = 13,604.22

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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.