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Finding the Fourth Proportional to 8,322.94, 12,473.43 and 4,623.22

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Solution

The fourth proportional to 8,322.94, 12,473.43 and 4,623.22 is: 6,928.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.94 : 12,473.43 = 4,623.22 : x
  2. Step 2: Convert to fraction form
    8,322.94/12,473.43 = 4,623.22/x
  3. Step 3: Cross multiply
    8,322.94x = 12,473.43 × 4,623.22
  4. Step 4: Simplify right side
    8,322.94x = 57,667,411.04
  5. Step 5: Solve for x
    x = 57,667,411.04/8,322.94
  6. Step 6: Final answer
    x = 6,928.73

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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.