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Finding the Fourth Proportional to 4,079, 6,118.56 and 1,001

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Solution

The fourth proportional to 4,079, 6,118.56 and 1,001 is: 1,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079 : 6,118.56 = 1,001 : x
  2. Step 2: Convert to fraction form
    4,079/6,118.56 = 1,001/x
  3. Step 3: Cross multiply
    4,079x = 6,118.56 × 1,001
  4. Step 4: Simplify right side
    4,079x = 6,124,678.56
  5. Step 5: Solve for x
    x = 6,124,678.56/4,079
  6. Step 6: Final answer
    x = 1,501.51

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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.