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Finding the Fourth Proportional to 18,290.09, 25,239.44 and 10,224.11

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Solution

The fourth proportional to 18,290.09, 25,239.44 and 10,224.11 is: 14,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.09 : 25,239.44 = 10,224.11 : x
  2. Step 2: Convert to fraction form
    18,290.09/25,239.44 = 10,224.11/x
  3. Step 3: Cross multiply
    18,290.09x = 25,239.44 × 10,224.11
  4. Step 4: Simplify right side
    18,290.09x = 258,050,633.58
  5. Step 5: Solve for x
    x = 258,050,633.58/18,290.09
  6. Step 6: Final answer
    x = 14,108.77

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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.