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Finding the Fourth Proportional to 7,913.03, 11,870.22 and 2,069.63

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Solution

The fourth proportional to 7,913.03, 11,870.22 and 2,069.63 is: 3,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.03 : 11,870.22 = 2,069.63 : x
  2. Step 2: Convert to fraction form
    7,913.03/11,870.22 = 2,069.63/x
  3. Step 3: Cross multiply
    7,913.03x = 11,870.22 × 2,069.63
  4. Step 4: Simplify right side
    7,913.03x = 24,566,963.42
  5. Step 5: Solve for x
    x = 24,566,963.42/7,913.03
  6. Step 6: Final answer
    x = 3,104.62

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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.