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Finding the Fourth Proportional to 7,673.22, 11,525.22 and 7,421.04

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Solution

The fourth proportional to 7,673.22, 11,525.22 and 7,421.04 is: 11,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.22 : 11,525.22 = 7,421.04 : x
  2. Step 2: Convert to fraction form
    7,673.22/11,525.22 = 7,421.04/x
  3. Step 3: Cross multiply
    7,673.22x = 11,525.22 × 7,421.04
  4. Step 4: Simplify right side
    7,673.22x = 85,529,118.63
  5. Step 5: Solve for x
    x = 85,529,118.63/7,673.22
  6. Step 6: Final answer
    x = 11,146.44

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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.