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Finding the Fourth Proportional to 9,079.44, 12,529.84 and 5,100.84

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Solution

The fourth proportional to 9,079.44, 12,529.84 and 5,100.84 is: 7,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.44 : 12,529.84 = 5,100.84 : x
  2. Step 2: Convert to fraction form
    9,079.44/12,529.84 = 5,100.84/x
  3. Step 3: Cross multiply
    9,079.44x = 12,529.84 × 5,100.84
  4. Step 4: Simplify right side
    9,079.44x = 63,912,709.07
  5. Step 5: Solve for x
    x = 63,912,709.07/9,079.44
  6. Step 6: Final answer
    x = 7,039.28

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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.