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Finding the Fourth Proportional to 8,704.44, 12,011.95 and 4,928.32

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Solution

The fourth proportional to 8,704.44, 12,011.95 and 4,928.32 is: 6,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.44 : 12,011.95 = 4,928.32 : x
  2. Step 2: Convert to fraction form
    8,704.44/12,011.95 = 4,928.32/x
  3. Step 3: Cross multiply
    8,704.44x = 12,011.95 × 4,928.32
  4. Step 4: Simplify right side
    8,704.44x = 59,198,733.42
  5. Step 5: Solve for x
    x = 59,198,733.42/8,704.44
  6. Step 6: Final answer
    x = 6,800.98

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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.