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Finding the Fourth Proportional to 4,907.70, 6,772.56 and 2,669.52

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Solution

The fourth proportional to 4,907.70, 6,772.56 and 2,669.52 is: 3,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.70 : 6,772.56 = 2,669.52 : x
  2. Step 2: Convert to fraction form
    4,907.70/6,772.56 = 2,669.52/x
  3. Step 3: Cross multiply
    4,907.70x = 6,772.56 × 2,669.52
  4. Step 4: Simplify right side
    4,907.70x = 18,079,484.37
  5. Step 5: Solve for x
    x = 18,079,484.37/4,907.70
  6. Step 6: Final answer
    x = 3,683.90

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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.