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Finding the Fourth Proportional to 19,658, 29,487 and 5,066

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Solution

The fourth proportional to 19,658, 29,487 and 5,066 is: 7,599

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658 : 29,487 = 5,066 : x
  2. Step 2: Convert to fraction form
    19,658/29,487 = 5,066/x
  3. Step 3: Cross multiply
    19,658x = 29,487 × 5,066
  4. Step 4: Simplify right side
    19,658x = 149,381,142
  5. Step 5: Solve for x
    x = 149,381,142/19,658
  6. Step 6: Final answer
    x = 7,599

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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.