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Finding the Fourth Proportional to 14,666, 21,999 and 4,938

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Solution

The fourth proportional to 14,666, 21,999 and 4,938 is: 7,407

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666 : 21,999 = 4,938 : x
  2. Step 2: Convert to fraction form
    14,666/21,999 = 4,938/x
  3. Step 3: Cross multiply
    14,666x = 21,999 × 4,938
  4. Step 4: Simplify right side
    14,666x = 108,631,062
  5. Step 5: Solve for x
    x = 108,631,062/14,666
  6. Step 6: Final answer
    x = 7,407

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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.