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Finding the Fourth Proportional to 6,364.86, 8,783.19 and 3,571.26

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Solution

The fourth proportional to 6,364.86, 8,783.19 and 3,571.26 is: 4,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,364.86 : 8,783.19 = 3,571.26 : x
  2. Step 2: Convert to fraction form
    6,364.86/8,783.19 = 3,571.26/x
  3. Step 3: Cross multiply
    6,364.86x = 8,783.19 × 3,571.26
  4. Step 4: Simplify right side
    6,364.86x = 31,367,055.12
  5. Step 5: Solve for x
    x = 31,367,055.12/6,364.86
  6. Step 6: Final answer
    x = 4,928.16

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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.