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Finding the Fourth Proportional to 6,551.89, 9,818.22 and 4,079.17

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Solution

The fourth proportional to 6,551.89, 9,818.22 and 4,079.17 is: 6,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.89 : 9,818.22 = 4,079.17 : x
  2. Step 2: Convert to fraction form
    6,551.89/9,818.22 = 4,079.17/x
  3. Step 3: Cross multiply
    6,551.89x = 9,818.22 × 4,079.17
  4. Step 4: Simplify right side
    6,551.89x = 40,050,188.48
  5. Step 5: Solve for x
    x = 40,050,188.48/6,551.89
  6. Step 6: Final answer
    x = 6,112.77

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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.