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Finding the Fourth Proportional to 16,436.70, 24,626.70 and 7,653.60

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Solution

The fourth proportional to 16,436.70, 24,626.70 and 7,653.60 is: 11,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.70 : 24,626.70 = 7,653.60 : x
  2. Step 2: Convert to fraction form
    16,436.70/24,626.70 = 7,653.60/x
  3. Step 3: Cross multiply
    16,436.70x = 24,626.70 × 7,653.60
  4. Step 4: Simplify right side
    16,436.70x = 188,482,911.12
  5. Step 5: Solve for x
    x = 188,482,911.12/16,436.70
  6. Step 6: Final answer
    x = 11,467.20

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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.