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Finding the Fourth Proportional to 17,706.24, 26,540.64 and 6,621.12

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Solution

The fourth proportional to 17,706.24, 26,540.64 and 6,621.12 is: 9,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,706.24 : 26,540.64 = 6,621.12 : x
  2. Step 2: Convert to fraction form
    17,706.24/26,540.64 = 6,621.12/x
  3. Step 3: Cross multiply
    17,706.24x = 26,540.64 × 6,621.12
  4. Step 4: Simplify right side
    17,706.24x = 175,728,762.32
  5. Step 5: Solve for x
    x = 175,728,762.32/17,706.24
  6. Step 6: Final answer
    x = 9,924.68

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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.