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Finding the Fourth Proportional to 8,926.44, 13,364.76 and 6,728.52

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Solution

The fourth proportional to 8,926.44, 13,364.76 and 6,728.52 is: 10,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.44 : 13,364.76 = 6,728.52 : x
  2. Step 2: Convert to fraction form
    8,926.44/13,364.76 = 6,728.52/x
  3. Step 3: Cross multiply
    8,926.44x = 13,364.76 × 6,728.52
  4. Step 4: Simplify right side
    8,926.44x = 89,925,054.96
  5. Step 5: Solve for x
    x = 89,925,054.96/8,926.44
  6. Step 6: Final answer
    x = 10,074.01

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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.