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Finding the Fourth Proportional to 17,993.76, 26,935.26 and 11,740.32

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Solution

The fourth proportional to 17,993.76, 26,935.26 and 11,740.32 is: 17,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.76 : 26,935.26 = 11,740.32 : x
  2. Step 2: Convert to fraction form
    17,993.76/26,935.26 = 11,740.32/x
  3. Step 3: Cross multiply
    17,993.76x = 26,935.26 × 11,740.32
  4. Step 4: Simplify right side
    17,993.76x = 316,228,571.68
  5. Step 5: Solve for x
    x = 316,228,571.68/17,993.76
  6. Step 6: Final answer
    x = 17,574.35

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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.