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Finding the Fourth Proportional to 6,409.47, 9,571.44 and 6,081.42

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Solution

The fourth proportional to 6,409.47, 9,571.44 and 6,081.42 is: 9,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.47 : 9,571.44 = 6,081.42 : x
  2. Step 2: Convert to fraction form
    6,409.47/9,571.44 = 6,081.42/x
  3. Step 3: Cross multiply
    6,409.47x = 9,571.44 × 6,081.42
  4. Step 4: Simplify right side
    6,409.47x = 58,207,946.64
  5. Step 5: Solve for x
    x = 58,207,946.64/6,409.47
  6. Step 6: Final answer
    x = 9,081.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.