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Finding the Fourth Proportional to 6,322.73, 8,725.86 and 4,651.81

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Solution

The fourth proportional to 6,322.73, 8,725.86 and 4,651.81 is: 6,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.73 : 8,725.86 = 4,651.81 : x
  2. Step 2: Convert to fraction form
    6,322.73/8,725.86 = 4,651.81/x
  3. Step 3: Cross multiply
    6,322.73x = 8,725.86 × 4,651.81
  4. Step 4: Simplify right side
    6,322.73x = 40,590,999.18
  5. Step 5: Solve for x
    x = 40,590,999.18/6,322.73
  6. Step 6: Final answer
    x = 6,419.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.