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Finding the Fourth Proportional to 21,745.58, 32,608.87 and 7,700.94

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Solution

The fourth proportional to 21,745.58, 32,608.87 and 7,700.94 is: 11,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.58 : 32,608.87 = 7,700.94 : x
  2. Step 2: Convert to fraction form
    21,745.58/32,608.87 = 7,700.94/x
  3. Step 3: Cross multiply
    21,745.58x = 32,608.87 × 7,700.94
  4. Step 4: Simplify right side
    21,745.58x = 251,118,749.79
  5. Step 5: Solve for x
    x = 251,118,749.79/21,745.58
  6. Step 6: Final answer
    x = 11,548.04

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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.