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Finding the Fourth Proportional to 7,894.02, 11,840.92 and 4,567.26

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Solution

The fourth proportional to 7,894.02, 11,840.92 and 4,567.26 is: 6,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894.02 : 11,840.92 = 4,567.26 : x
  2. Step 2: Convert to fraction form
    7,894.02/11,840.92 = 4,567.26/x
  3. Step 3: Cross multiply
    7,894.02x = 11,840.92 × 4,567.26
  4. Step 4: Simplify right side
    7,894.02x = 54,080,560.28
  5. Step 5: Solve for x
    x = 54,080,560.28/7,894.02
  6. Step 6: Final answer
    x = 6,850.83

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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.