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Finding the Fourth Proportional to 17,604.32, 26,412.54 and 10,215.22

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Solution

The fourth proportional to 17,604.32, 26,412.54 and 10,215.22 is: 15,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.32 : 26,412.54 = 10,215.22 : x
  2. Step 2: Convert to fraction form
    17,604.32/26,412.54 = 10,215.22/x
  3. Step 3: Cross multiply
    17,604.32x = 26,412.54 × 10,215.22
  4. Step 4: Simplify right side
    17,604.32x = 269,809,906.86
  5. Step 5: Solve for x
    x = 269,809,906.86/17,604.32
  6. Step 6: Final answer
    x = 15,326.35

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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.