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Finding the Fourth Proportional to 6,365.94, 8,787.96 and 4,245

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Solution

The fourth proportional to 6,365.94, 8,787.96 and 4,245 is: 5,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.94 : 8,787.96 = 4,245 : x
  2. Step 2: Convert to fraction form
    6,365.94/8,787.96 = 4,245/x
  3. Step 3: Cross multiply
    6,365.94x = 8,787.96 × 4,245
  4. Step 4: Simplify right side
    6,365.94x = 37,304,890.20
  5. Step 5: Solve for x
    x = 37,304,890.20/6,365.94
  6. Step 6: Final answer
    x = 5,860.08

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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.