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Finding the Fourth Proportional to 22,063, 30,447.42 and 12,127

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Solution

The fourth proportional to 22,063, 30,447.42 and 12,127 is: 16,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063 : 30,447.42 = 12,127 : x
  2. Step 2: Convert to fraction form
    22,063/30,447.42 = 12,127/x
  3. Step 3: Cross multiply
    22,063x = 30,447.42 × 12,127
  4. Step 4: Simplify right side
    22,063x = 369,235,862.34
  5. Step 5: Solve for x
    x = 369,235,862.34/22,063
  6. Step 6: Final answer
    x = 16,735.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.