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Finding the Fourth Proportional to 4,886.62, 7,330.41 and 1,376.62

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Solution

The fourth proportional to 4,886.62, 7,330.41 and 1,376.62 is: 2,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.62 : 7,330.41 = 1,376.62 : x
  2. Step 2: Convert to fraction form
    4,886.62/7,330.41 = 1,376.62/x
  3. Step 3: Cross multiply
    4,886.62x = 7,330.41 × 1,376.62
  4. Step 4: Simplify right side
    4,886.62x = 10,091,189.01
  5. Step 5: Solve for x
    x = 10,091,189.01/4,886.62
  6. Step 6: Final answer
    x = 2,065.07

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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.