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Finding the Fourth Proportional to 6,411.22, 8,833.77 and 4,311.70

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Solution

The fourth proportional to 6,411.22, 8,833.77 and 4,311.70 is: 5,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.22 : 8,833.77 = 4,311.70 : x
  2. Step 2: Convert to fraction form
    6,411.22/8,833.77 = 4,311.70/x
  3. Step 3: Cross multiply
    6,411.22x = 8,833.77 × 4,311.70
  4. Step 4: Simplify right side
    6,411.22x = 38,088,566.11
  5. Step 5: Solve for x
    x = 38,088,566.11/6,411.22
  6. Step 6: Final answer
    x = 5,940.92

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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.