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Finding the Fourth Proportional to 33,993.91, 46,913.69 and 18,886.67

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Solution

The fourth proportional to 33,993.91, 46,913.69 and 18,886.67 is: 26,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.91 : 46,913.69 = 18,886.67 : x
  2. Step 2: Convert to fraction form
    33,993.91/46,913.69 = 18,886.67/x
  3. Step 3: Cross multiply
    33,993.91x = 46,913.69 × 18,886.67
  4. Step 4: Simplify right side
    33,993.91x = 886,043,381.51
  5. Step 5: Solve for x
    x = 886,043,381.51/33,993.91
  6. Step 6: Final answer
    x = 26,064.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.