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Finding the Fourth Proportional to 8,043.88, 12,065.82 and 3,937

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Solution

The fourth proportional to 8,043.88, 12,065.82 and 3,937 is: 5,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.88 : 12,065.82 = 3,937 : x
  2. Step 2: Convert to fraction form
    8,043.88/12,065.82 = 3,937/x
  3. Step 3: Cross multiply
    8,043.88x = 12,065.82 × 3,937
  4. Step 4: Simplify right side
    8,043.88x = 47,503,133.34
  5. Step 5: Solve for x
    x = 47,503,133.34/8,043.88
  6. Step 6: Final answer
    x = 5,905.50

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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.