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Finding the Fourth Proportional to 57,647.86, 86,525.70 and 35,504.44

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Solution

The fourth proportional to 57,647.86, 86,525.70 and 35,504.44 is: 53,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.86 : 86,525.70 = 35,504.44 : x
  2. Step 2: Convert to fraction form
    57,647.86/86,525.70 = 35,504.44/x
  3. Step 3: Cross multiply
    57,647.86x = 86,525.70 × 35,504.44
  4. Step 4: Simplify right side
    57,647.86x = 3,072,046,524.11
  5. Step 5: Solve for x
    x = 3,072,046,524.11/57,647.86
  6. Step 6: Final answer
    x = 53,289.86

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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.