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Finding the Fourth Proportional to 8,975.95, 13,493.09 and 8,932.21

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Solution

The fourth proportional to 8,975.95, 13,493.09 and 8,932.21 is: 13,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.95 : 13,493.09 = 8,932.21 : x
  2. Step 2: Convert to fraction form
    8,975.95/13,493.09 = 8,932.21/x
  3. Step 3: Cross multiply
    8,975.95x = 13,493.09 × 8,932.21
  4. Step 4: Simplify right side
    8,975.95x = 120,523,113.43
  5. Step 5: Solve for x
    x = 120,523,113.43/8,975.95
  6. Step 6: Final answer
    x = 13,427.34

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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.