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Finding the Fourth Proportional to 14,485.23, 21,723.21 and 4,622.22

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Solution

The fourth proportional to 14,485.23, 21,723.21 and 4,622.22 is: 6,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.23 : 21,723.21 = 4,622.22 : x
  2. Step 2: Convert to fraction form
    14,485.23/21,723.21 = 4,622.22/x
  3. Step 3: Cross multiply
    14,485.23x = 21,723.21 × 4,622.22
  4. Step 4: Simplify right side
    14,485.23x = 100,409,455.73
  5. Step 5: Solve for x
    x = 100,409,455.73/14,485.23
  6. Step 6: Final answer
    x = 6,931.85

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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.