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Finding the Fourth Proportional to 6,666.22, 9,999.60 and 2,284.12

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Solution

The fourth proportional to 6,666.22, 9,999.60 and 2,284.12 is: 3,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.22 : 9,999.60 = 2,284.12 : x
  2. Step 2: Convert to fraction form
    6,666.22/9,999.60 = 2,284.12/x
  3. Step 3: Cross multiply
    6,666.22x = 9,999.60 × 2,284.12
  4. Step 4: Simplify right side
    6,666.22x = 22,840,224.93
  5. Step 5: Solve for x
    x = 22,840,224.93/6,666.22
  6. Step 6: Final answer
    x = 3,426.27

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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.