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Finding the Fourth Proportional to 6,827.22, 9,421.57 and 3,843.08

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Solution

The fourth proportional to 6,827.22, 9,421.57 and 3,843.08 is: 5,303.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.22 : 9,421.57 = 3,843.08 : x
  2. Step 2: Convert to fraction form
    6,827.22/9,421.57 = 3,843.08/x
  3. Step 3: Cross multiply
    6,827.22x = 9,421.57 × 3,843.08
  4. Step 4: Simplify right side
    6,827.22x = 36,207,840.26
  5. Step 5: Solve for x
    x = 36,207,840.26/6,827.22
  6. Step 6: Final answer
    x = 5,303.45

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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.