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Finding the Fourth Proportional to 43,763.70, 65,645.55 and 33,266.10

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Solution

The fourth proportional to 43,763.70, 65,645.55 and 33,266.10 is: 49,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,763.70 : 65,645.55 = 33,266.10 : x
  2. Step 2: Convert to fraction form
    43,763.70/65,645.55 = 33,266.10/x
  3. Step 3: Cross multiply
    43,763.70x = 65,645.55 × 33,266.10
  4. Step 4: Simplify right side
    43,763.70x = 2,183,771,430.86
  5. Step 5: Solve for x
    x = 2,183,771,430.86/43,763.70
  6. Step 6: Final answer
    x = 49,899.15

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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.