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Finding the Fourth Proportional to 4,610.22, 6,916.05 and 1,690.62

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Solution

The fourth proportional to 4,610.22, 6,916.05 and 1,690.62 is: 2,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.22 : 6,916.05 = 1,690.62 : x
  2. Step 2: Convert to fraction form
    4,610.22/6,916.05 = 1,690.62/x
  3. Step 3: Cross multiply
    4,610.22x = 6,916.05 × 1,690.62
  4. Step 4: Simplify right side
    4,610.22x = 11,692,412.45
  5. Step 5: Solve for x
    x = 11,692,412.45/4,610.22
  6. Step 6: Final answer
    x = 2,536.19

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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.