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Finding the Fourth Proportional to 6,672, 10,009.73 and 1,992.01

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Solution

The fourth proportional to 6,672, 10,009.73 and 1,992.01 is: 2,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672 : 10,009.73 = 1,992.01 : x
  2. Step 2: Convert to fraction form
    6,672/10,009.73 = 1,992.01/x
  3. Step 3: Cross multiply
    6,672x = 10,009.73 × 1,992.01
  4. Step 4: Simplify right side
    6,672x = 19,939,480.98
  5. Step 5: Solve for x
    x = 19,939,480.98/6,672
  6. Step 6: Final answer
    x = 2,988.53

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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.