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Finding the Fourth Proportional to 55,304.61, 82,956.88 and 13,751.61

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Solution

The fourth proportional to 55,304.61, 82,956.88 and 13,751.61 is: 20,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.61 : 82,956.88 = 13,751.61 : x
  2. Step 2: Convert to fraction form
    55,304.61/82,956.88 = 13,751.61/x
  3. Step 3: Cross multiply
    55,304.61x = 82,956.88 × 13,751.61
  4. Step 4: Simplify right side
    55,304.61x = 1,140,790,660.58
  5. Step 5: Solve for x
    x = 1,140,790,660.58/55,304.61
  6. Step 6: Final answer
    x = 20,627.41

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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.