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Finding the Fourth Proportional to 57,289.53, 85,846.43 and 23,991.39

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Solution

The fourth proportional to 57,289.53, 85,846.43 and 23,991.39 is: 35,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.53 : 85,846.43 = 23,991.39 : x
  2. Step 2: Convert to fraction form
    57,289.53/85,846.43 = 23,991.39/x
  3. Step 3: Cross multiply
    57,289.53x = 85,846.43 × 23,991.39
  4. Step 4: Simplify right side
    57,289.53x = 2,059,575,242.22
  5. Step 5: Solve for x
    x = 2,059,575,242.22/57,289.53
  6. Step 6: Final answer
    x = 35,950.29

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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.