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Finding the Fourth Proportional to 5,943.69, 8,915.67 and 1,994.94

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Solution

The fourth proportional to 5,943.69, 8,915.67 and 1,994.94 is: 2,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.69 : 8,915.67 = 1,994.94 : x
  2. Step 2: Convert to fraction form
    5,943.69/8,915.67 = 1,994.94/x
  3. Step 3: Cross multiply
    5,943.69x = 8,915.67 × 1,994.94
  4. Step 4: Simplify right side
    5,943.69x = 17,786,226.71
  5. Step 5: Solve for x
    x = 17,786,226.71/5,943.69
  6. Step 6: Final answer
    x = 2,992.46

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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.