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Finding the Fourth Proportional to 4,787.34, 7,185.36 and 2,448.96

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Solution

The fourth proportional to 4,787.34, 7,185.36 and 2,448.96 is: 3,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.34 : 7,185.36 = 2,448.96 : x
  2. Step 2: Convert to fraction form
    4,787.34/7,185.36 = 2,448.96/x
  3. Step 3: Cross multiply
    4,787.34x = 7,185.36 × 2,448.96
  4. Step 4: Simplify right side
    4,787.34x = 17,596,647.90
  5. Step 5: Solve for x
    x = 17,596,647.90/4,787.34
  6. Step 6: Final answer
    x = 3,675.66

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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.