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Finding the Fourth Proportional to 18,702, 28,053 and 9,468

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Solution

The fourth proportional to 18,702, 28,053 and 9,468 is: 14,202

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702 : 28,053 = 9,468 : x
  2. Step 2: Convert to fraction form
    18,702/28,053 = 9,468/x
  3. Step 3: Cross multiply
    18,702x = 28,053 × 9,468
  4. Step 4: Simplify right side
    18,702x = 265,605,804
  5. Step 5: Solve for x
    x = 265,605,804/18,702
  6. Step 6: Final answer
    x = 14,202

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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.