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Finding the Fourth Proportional to 5,410.61, 7,466.62 and 2,926.61

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Solution

The fourth proportional to 5,410.61, 7,466.62 and 2,926.61 is: 4,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.61 : 7,466.62 = 2,926.61 : x
  2. Step 2: Convert to fraction form
    5,410.61/7,466.62 = 2,926.61/x
  3. Step 3: Cross multiply
    5,410.61x = 7,466.62 × 2,926.61
  4. Step 4: Simplify right side
    5,410.61x = 21,851,884.76
  5. Step 5: Solve for x
    x = 21,851,884.76/5,410.61
  6. Step 6: Final answer
    x = 4,038.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.