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Finding the Fourth Proportional to 4,886.94, 7,330.74 and 1,965.27

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Solution

The fourth proportional to 4,886.94, 7,330.74 and 1,965.27 is: 2,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.94 : 7,330.74 = 1,965.27 : x
  2. Step 2: Convert to fraction form
    4,886.94/7,330.74 = 1,965.27/x
  3. Step 3: Cross multiply
    4,886.94x = 7,330.74 × 1,965.27
  4. Step 4: Simplify right side
    4,886.94x = 14,406,883.40
  5. Step 5: Solve for x
    x = 14,406,883.40/4,886.94
  6. Step 6: Final answer
    x = 2,948.04

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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.