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Finding the Fourth Proportional to 5,963.84, 8,938.56 and 4,308.92

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Solution

The fourth proportional to 5,963.84, 8,938.56 and 4,308.92 is: 6,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,963.84 : 8,938.56 = 4,308.92 : x
  2. Step 2: Convert to fraction form
    5,963.84/8,938.56 = 4,308.92/x
  3. Step 3: Cross multiply
    5,963.84x = 8,938.56 × 4,308.92
  4. Step 4: Simplify right side
    5,963.84x = 38,515,539.96
  5. Step 5: Solve for x
    x = 38,515,539.96/5,963.84
  6. Step 6: Final answer
    x = 6,458.18

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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.