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Finding the Fourth Proportional to 6,365.80, 8,787.94 and 4,011.56

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Solution

The fourth proportional to 6,365.80, 8,787.94 and 4,011.56 is: 5,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.80 : 8,787.94 = 4,011.56 : x
  2. Step 2: Convert to fraction form
    6,365.80/8,787.94 = 4,011.56/x
  3. Step 3: Cross multiply
    6,365.80x = 8,787.94 × 4,011.56
  4. Step 4: Simplify right side
    6,365.80x = 35,253,348.59
  5. Step 5: Solve for x
    x = 35,253,348.59/6,365.80
  6. Step 6: Final answer
    x = 5,537.93

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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.