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Finding the Fourth Proportional to 29,907.64, 41,289.72 and 19,849.72

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Solution

The fourth proportional to 29,907.64, 41,289.72 and 19,849.72 is: 27,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,907.64 : 41,289.72 = 19,849.72 : x
  2. Step 2: Convert to fraction form
    29,907.64/41,289.72 = 19,849.72/x
  3. Step 3: Cross multiply
    29,907.64x = 41,289.72 × 19,849.72
  4. Step 4: Simplify right side
    29,907.64x = 819,589,380.88
  5. Step 5: Solve for x
    x = 819,589,380.88/29,907.64
  6. Step 6: Final answer
    x = 27,404.01

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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.