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Finding the Fourth Proportional to 4,644.96, 6,965.70 and 1,870.69

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Solution

The fourth proportional to 4,644.96, 6,965.70 and 1,870.69 is: 2,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.96 : 6,965.70 = 1,870.69 : x
  2. Step 2: Convert to fraction form
    4,644.96/6,965.70 = 1,870.69/x
  3. Step 3: Cross multiply
    4,644.96x = 6,965.70 × 1,870.69
  4. Step 4: Simplify right side
    4,644.96x = 13,030,665.33
  5. Step 5: Solve for x
    x = 13,030,665.33/4,644.96
  6. Step 6: Final answer
    x = 2,805.33

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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.