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Finding the Fourth Proportional to 29,539.99, 40,751.12 and 19,983.23

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Solution

The fourth proportional to 29,539.99, 40,751.12 and 19,983.23 is: 27,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,539.99 : 40,751.12 = 19,983.23 : x
  2. Step 2: Convert to fraction form
    29,539.99/40,751.12 = 19,983.23/x
  3. Step 3: Cross multiply
    29,539.99x = 40,751.12 × 19,983.23
  4. Step 4: Simplify right side
    29,539.99x = 814,339,003.72
  5. Step 5: Solve for x
    x = 814,339,003.72/29,539.99
  6. Step 6: Final answer
    x = 27,567.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.