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Finding the Fourth Proportional to 17,741.63, 26,611.88 and 7,208.54

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Solution

The fourth proportional to 17,741.63, 26,611.88 and 7,208.54 is: 10,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.63 : 26,611.88 = 7,208.54 : x
  2. Step 2: Convert to fraction form
    17,741.63/26,611.88 = 7,208.54/x
  3. Step 3: Cross multiply
    17,741.63x = 26,611.88 × 7,208.54
  4. Step 4: Simplify right side
    17,741.63x = 191,832,831.94
  5. Step 5: Solve for x
    x = 191,832,831.94/17,741.63
  6. Step 6: Final answer
    x = 10,812.58

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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.