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Finding the Fourth Proportional to 21,745.95, 32,617.08 and 6,950.89

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Solution

The fourth proportional to 21,745.95, 32,617.08 and 6,950.89 is: 10,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.95 : 32,617.08 = 6,950.89 : x
  2. Step 2: Convert to fraction form
    21,745.95/32,617.08 = 6,950.89/x
  3. Step 3: Cross multiply
    21,745.95x = 32,617.08 × 6,950.89
  4. Step 4: Simplify right side
    21,745.95x = 226,717,775.97
  5. Step 5: Solve for x
    x = 226,717,775.97/21,745.95
  6. Step 6: Final answer
    x = 10,425.75

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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.