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Finding the Fourth Proportional to 2,997.92, 4,496.86 and 1,681.67

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Solution

The fourth proportional to 2,997.92, 4,496.86 and 1,681.67 is: 2,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.92 : 4,496.86 = 1,681.67 : x
  2. Step 2: Convert to fraction form
    2,997.92/4,496.86 = 1,681.67/x
  3. Step 3: Cross multiply
    2,997.92x = 4,496.86 × 1,681.67
  4. Step 4: Simplify right side
    2,997.92x = 7,562,247.22
  5. Step 5: Solve for x
    x = 7,562,247.22/2,997.92
  6. Step 6: Final answer
    x = 2,522.49

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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.