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Finding the Fourth Proportional to 6,267.86, 8,645.85 and 4,143.41

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Solution

The fourth proportional to 6,267.86, 8,645.85 and 4,143.41 is: 5,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.86 : 8,645.85 = 4,143.41 : x
  2. Step 2: Convert to fraction form
    6,267.86/8,645.85 = 4,143.41/x
  3. Step 3: Cross multiply
    6,267.86x = 8,645.85 × 4,143.41
  4. Step 4: Simplify right side
    6,267.86x = 35,823,301.35
  5. Step 5: Solve for x
    x = 35,823,301.35/6,267.86
  6. Step 6: Final answer
    x = 5,715.40

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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.