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Finding the Fourth Proportional to 48,322.56, 66,664.32 and 35,725.44

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Solution

The fourth proportional to 48,322.56, 66,664.32 and 35,725.44 is: 49,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,322.56 : 66,664.32 = 35,725.44 : x
  2. Step 2: Convert to fraction form
    48,322.56/66,664.32 = 35,725.44/x
  3. Step 3: Cross multiply
    48,322.56x = 66,664.32 × 35,725.44
  4. Step 4: Simplify right side
    48,322.56x = 2,381,612,164.30
  5. Step 5: Solve for x
    x = 2,381,612,164.30/48,322.56
  6. Step 6: Final answer
    x = 49,285.72

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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.