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Finding the Fourth Proportional to 2,926.54, 4,385.11 and 2,338.48

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Solution

The fourth proportional to 2,926.54, 4,385.11 and 2,338.48 is: 3,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.54 : 4,385.11 = 2,338.48 : x
  2. Step 2: Convert to fraction form
    2,926.54/4,385.11 = 2,338.48/x
  3. Step 3: Cross multiply
    2,926.54x = 4,385.11 × 2,338.48
  4. Step 4: Simplify right side
    2,926.54x = 10,254,492.03
  5. Step 5: Solve for x
    x = 10,254,492.03/2,926.54
  6. Step 6: Final answer
    x = 3,503.96

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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.