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Finding the Fourth Proportional to 65,666, 98,499 and 16,418

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Solution

The fourth proportional to 65,666, 98,499 and 16,418 is: 24,627

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,666 : 98,499 = 16,418 : x
  2. Step 2: Convert to fraction form
    65,666/98,499 = 16,418/x
  3. Step 3: Cross multiply
    65,666x = 98,499 × 16,418
  4. Step 4: Simplify right side
    65,666x = 1,617,156,582
  5. Step 5: Solve for x
    x = 1,617,156,582/65,666
  6. Step 6: Final answer
    x = 24,627

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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.