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Finding the Fourth Proportional to 15,756.44, 23,633.22 and 4,812.44

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Solution

The fourth proportional to 15,756.44, 23,633.22 and 4,812.44 is: 7,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.44 : 23,633.22 = 4,812.44 : x
  2. Step 2: Convert to fraction form
    15,756.44/23,633.22 = 4,812.44/x
  3. Step 3: Cross multiply
    15,756.44x = 23,633.22 × 4,812.44
  4. Step 4: Simplify right side
    15,756.44x = 113,733,453.26
  5. Step 5: Solve for x
    x = 113,733,453.26/15,756.44
  6. Step 6: Final answer
    x = 7,218.22

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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.