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Finding the Fourth Proportional to 35,994.79, 49,672.89 and 20,080.27

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Solution

The fourth proportional to 35,994.79, 49,672.89 and 20,080.27 is: 27,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,994.79 : 49,672.89 = 20,080.27 : x
  2. Step 2: Convert to fraction form
    35,994.79/49,672.89 = 20,080.27/x
  3. Step 3: Cross multiply
    35,994.79x = 49,672.89 × 20,080.27
  4. Step 4: Simplify right side
    35,994.79x = 997,445,042.88
  5. Step 5: Solve for x
    x = 997,445,042.88/35,994.79
  6. Step 6: Final answer
    x = 27,710.82

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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.