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Finding the Fourth Proportional to 4,669.62, 7,006.79 and 2,170.77

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Solution

The fourth proportional to 4,669.62, 7,006.79 and 2,170.77 is: 3,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.62 : 7,006.79 = 2,170.77 : x
  2. Step 2: Convert to fraction form
    4,669.62/7,006.79 = 2,170.77/x
  3. Step 3: Cross multiply
    4,669.62x = 7,006.79 × 2,170.77
  4. Step 4: Simplify right side
    4,669.62x = 15,210,129.53
  5. Step 5: Solve for x
    x = 15,210,129.53/4,669.62
  6. Step 6: Final answer
    x = 3,257.25

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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.