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Finding the Fourth Proportional to 7,997.63, 12,001.80 and 2,803.51

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Solution

The fourth proportional to 7,997.63, 12,001.80 and 2,803.51 is: 4,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.63 : 12,001.80 = 2,803.51 : x
  2. Step 2: Convert to fraction form
    7,997.63/12,001.80 = 2,803.51/x
  3. Step 3: Cross multiply
    7,997.63x = 12,001.80 × 2,803.51
  4. Step 4: Simplify right side
    7,997.63x = 33,647,106.31
  5. Step 5: Solve for x
    x = 33,647,106.31/7,997.63
  6. Step 6: Final answer
    x = 4,207.13

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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.