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Finding the Fourth Proportional to 55,121.64, 82,680.64 and 23,956.92

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Solution

The fourth proportional to 55,121.64, 82,680.64 and 23,956.92 is: 35,934.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,121.64 : 82,680.64 = 23,956.92 : x
  2. Step 2: Convert to fraction form
    55,121.64/82,680.64 = 23,956.92/x
  3. Step 3: Cross multiply
    55,121.64x = 82,680.64 × 23,956.92
  4. Step 4: Simplify right side
    55,121.64x = 1,980,773,478.03
  5. Step 5: Solve for x
    x = 1,980,773,478.03/55,121.64
  6. Step 6: Final answer
    x = 35,934.59

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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.