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Finding the Fourth Proportional to 7,305.84, 10,056.72 and 6,372.72

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Solution

The fourth proportional to 7,305.84, 10,056.72 and 6,372.72 is: 8,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.84 : 10,056.72 = 6,372.72 : x
  2. Step 2: Convert to fraction form
    7,305.84/10,056.72 = 6,372.72/x
  3. Step 3: Cross multiply
    7,305.84x = 10,056.72 × 6,372.72
  4. Step 4: Simplify right side
    7,305.84x = 64,088,660.68
  5. Step 5: Solve for x
    x = 64,088,660.68/7,305.84
  6. Step 6: Final answer
    x = 8,772.25

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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.