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Finding the Fourth Proportional to 14,904, 20,562.28 and 8,937.60

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Solution

The fourth proportional to 14,904, 20,562.28 and 8,937.60 is: 12,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904 : 20,562.28 = 8,937.60 : x
  2. Step 2: Convert to fraction form
    14,904/20,562.28 = 8,937.60/x
  3. Step 3: Cross multiply
    14,904x = 20,562.28 × 8,937.60
  4. Step 4: Simplify right side
    14,904x = 183,777,433.73
  5. Step 5: Solve for x
    x = 183,777,433.73/14,904
  6. Step 6: Final answer
    x = 12,330.75

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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.