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Finding the Fourth Proportional to 5,957.64, 8,929.96 and 4,005

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Solution

The fourth proportional to 5,957.64, 8,929.96 and 4,005 is: 6,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,957.64 : 8,929.96 = 4,005 : x
  2. Step 2: Convert to fraction form
    5,957.64/8,929.96 = 4,005/x
  3. Step 3: Cross multiply
    5,957.64x = 8,929.96 × 4,005
  4. Step 4: Simplify right side
    5,957.64x = 35,764,489.80
  5. Step 5: Solve for x
    x = 35,764,489.80/5,957.64
  6. Step 6: Final answer
    x = 6,003.13

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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.