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Finding the Fourth Proportional to 16,797.18, 25,197.36 and 7,435.98

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Solution

The fourth proportional to 16,797.18, 25,197.36 and 7,435.98 is: 11,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.18 : 25,197.36 = 7,435.98 : x
  2. Step 2: Convert to fraction form
    16,797.18/25,197.36 = 7,435.98/x
  3. Step 3: Cross multiply
    16,797.18x = 25,197.36 × 7,435.98
  4. Step 4: Simplify right side
    16,797.18x = 187,367,065.01
  5. Step 5: Solve for x
    x = 187,367,065.01/16,797.18
  6. Step 6: Final answer
    x = 11,154.67

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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.