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Finding the Fourth Proportional to 80,775.29, 111,457.05 and 46,786.94

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Solution

The fourth proportional to 80,775.29, 111,457.05 and 46,786.94 is: 64,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,775.29 : 111,457.05 = 46,786.94 : x
  2. Step 2: Convert to fraction form
    80,775.29/111,457.05 = 46,786.94/x
  3. Step 3: Cross multiply
    80,775.29x = 111,457.05 × 46,786.94
  4. Step 4: Simplify right side
    80,775.29x = 5,214,734,310.93
  5. Step 5: Solve for x
    x = 5,214,734,310.93/80,775.29
  6. Step 6: Final answer
    x = 64,558.53

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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.