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Finding the Fourth Proportional to 16,689.32, 25,025.98 and 6,294.44

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Solution

The fourth proportional to 16,689.32, 25,025.98 and 6,294.44 is: 9,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.32 : 25,025.98 = 6,294.44 : x
  2. Step 2: Convert to fraction form
    16,689.32/25,025.98 = 6,294.44/x
  3. Step 3: Cross multiply
    16,689.32x = 25,025.98 × 6,294.44
  4. Step 4: Simplify right side
    16,689.32x = 157,524,529.55
  5. Step 5: Solve for x
    x = 157,524,529.55/16,689.32
  6. Step 6: Final answer
    x = 9,438.64

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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.