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Finding the Fourth Proportional to 17,968.41, 26,955.87 and 7,432.71

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Solution

The fourth proportional to 17,968.41, 26,955.87 and 7,432.71 is: 11,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.41 : 26,955.87 = 7,432.71 : x
  2. Step 2: Convert to fraction form
    17,968.41/26,955.87 = 7,432.71/x
  3. Step 3: Cross multiply
    17,968.41x = 26,955.87 × 7,432.71
  4. Step 4: Simplify right side
    17,968.41x = 200,355,164.51
  5. Step 5: Solve for x
    x = 200,355,164.51/17,968.41
  6. Step 6: Final answer
    x = 11,150.41

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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.