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Finding the Fourth Proportional to 6,376.42, 8,799.18 and 3,543.98

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Solution

The fourth proportional to 6,376.42, 8,799.18 and 3,543.98 is: 4,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.42 : 8,799.18 = 3,543.98 : x
  2. Step 2: Convert to fraction form
    6,376.42/8,799.18 = 3,543.98/x
  3. Step 3: Cross multiply
    6,376.42x = 8,799.18 × 3,543.98
  4. Step 4: Simplify right side
    6,376.42x = 31,184,117.94
  5. Step 5: Solve for x
    x = 31,184,117.94/6,376.42
  6. Step 6: Final answer
    x = 4,890.54

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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.