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Finding the Fourth Proportional to 71,364.44, 98,263.08 and 63,392.84

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Solution

The fourth proportional to 71,364.44, 98,263.08 and 63,392.84 is: 87,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.44 : 98,263.08 = 63,392.84 : x
  2. Step 2: Convert to fraction form
    71,364.44/98,263.08 = 63,392.84/x
  3. Step 3: Cross multiply
    71,364.44x = 98,263.08 × 63,392.84
  4. Step 4: Simplify right side
    71,364.44x = 6,229,175,708.35
  5. Step 5: Solve for x
    x = 6,229,175,708.35/71,364.44
  6. Step 6: Final answer
    x = 87,286.83

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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.