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Finding the Fourth Proportional to 8,242.22, 12,368.21 and 3,051.74

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Solution

The fourth proportional to 8,242.22, 12,368.21 and 3,051.74 is: 4,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.22 : 12,368.21 = 3,051.74 : x
  2. Step 2: Convert to fraction form
    8,242.22/12,368.21 = 3,051.74/x
  3. Step 3: Cross multiply
    8,242.22x = 12,368.21 × 3,051.74
  4. Step 4: Simplify right side
    8,242.22x = 37,744,576.85
  5. Step 5: Solve for x
    x = 37,744,576.85/8,242.22
  6. Step 6: Final answer
    x = 4,579.42

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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.