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Finding the Fourth Proportional to 2,462.86, 3,402.08 and 1,968.99

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Solution

The fourth proportional to 2,462.86, 3,402.08 and 1,968.99 is: 2,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.86 : 3,402.08 = 1,968.99 : x
  2. Step 2: Convert to fraction form
    2,462.86/3,402.08 = 1,968.99/x
  3. Step 3: Cross multiply
    2,462.86x = 3,402.08 × 1,968.99
  4. Step 4: Simplify right side
    2,462.86x = 6,698,661.50
  5. Step 5: Solve for x
    x = 6,698,661.50/2,462.86
  6. Step 6: Final answer
    x = 2,719.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.