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Finding the Fourth Proportional to 19,745.22, 29,613.89 and 7,261.00

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Solution

The fourth proportional to 19,745.22, 29,613.89 and 7,261.00 is: 10,890.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.22 : 29,613.89 = 7,261.00 : x
  2. Step 2: Convert to fraction form
    19,745.22/29,613.89 = 7,261.00/x
  3. Step 3: Cross multiply
    19,745.22x = 29,613.89 × 7,261.00
  4. Step 4: Simplify right side
    19,745.22x = 215,026,344.95
  5. Step 5: Solve for x
    x = 215,026,344.95/19,745.22
  6. Step 6: Final answer
    x = 10,890.04

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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.