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Finding the Fourth Proportional to 17,993.15, 26,954.65 and 10,955.71

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Solution

The fourth proportional to 17,993.15, 26,954.65 and 10,955.71 is: 16,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.15 : 26,954.65 = 10,955.71 : x
  2. Step 2: Convert to fraction form
    17,993.15/26,954.65 = 10,955.71/x
  3. Step 3: Cross multiply
    17,993.15x = 26,954.65 × 10,955.71
  4. Step 4: Simplify right side
    17,993.15x = 295,307,328.55
  5. Step 5: Solve for x
    x = 295,307,328.55/17,993.15
  6. Step 6: Final answer
    x = 16,412.21

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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.