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Finding the Fourth Proportional to 40,274, 60,411 and 11,090

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Solution

The fourth proportional to 40,274, 60,411 and 11,090 is: 16,635

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274 : 60,411 = 11,090 : x
  2. Step 2: Convert to fraction form
    40,274/60,411 = 11,090/x
  3. Step 3: Cross multiply
    40,274x = 60,411 × 11,090
  4. Step 4: Simplify right side
    40,274x = 669,957,990
  5. Step 5: Solve for x
    x = 669,957,990/40,274
  6. Step 6: Final answer
    x = 16,635

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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.