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Finding the Fourth Proportional to 33,887.84, 46,765.17 and 18,983.84

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Solution

The fourth proportional to 33,887.84, 46,765.17 and 18,983.84 is: 26,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.84 : 46,765.17 = 18,983.84 : x
  2. Step 2: Convert to fraction form
    33,887.84/46,765.17 = 18,983.84/x
  3. Step 3: Cross multiply
    33,887.84x = 46,765.17 × 18,983.84
  4. Step 4: Simplify right side
    33,887.84x = 887,782,271.03
  5. Step 5: Solve for x
    x = 887,782,271.03/33,887.84
  6. Step 6: Final answer
    x = 26,197.67

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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.