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Finding the Fourth Proportional to 6,376.46, 8,799.45 and 3,543.84

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Solution

The fourth proportional to 6,376.46, 8,799.45 and 3,543.84 is: 4,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.46 : 8,799.45 = 3,543.84 : x
  2. Step 2: Convert to fraction form
    6,376.46/8,799.45 = 3,543.84/x
  3. Step 3: Cross multiply
    6,376.46x = 8,799.45 × 3,543.84
  4. Step 4: Simplify right side
    6,376.46x = 31,183,829.60
  5. Step 5: Solve for x
    x = 31,183,829.60/6,376.46
  6. Step 6: Final answer
    x = 4,890.46

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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.