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Finding the Fourth Proportional to 33,771.89, 46,605.18 and 18,867.89

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Solution

The fourth proportional to 33,771.89, 46,605.18 and 18,867.89 is: 26,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.89 : 46,605.18 = 18,867.89 : x
  2. Step 2: Convert to fraction form
    33,771.89/46,605.18 = 18,867.89/x
  3. Step 3: Cross multiply
    33,771.89x = 46,605.18 × 18,867.89
  4. Step 4: Simplify right side
    33,771.89x = 879,341,409.67
  5. Step 5: Solve for x
    x = 879,341,409.67/33,771.89
  6. Step 6: Final answer
    x = 26,037.67

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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.