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Finding the Fourth Proportional to 32,456, 44,789.28 and 19,208

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Solution

The fourth proportional to 32,456, 44,789.28 and 19,208 is: 26,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,456 : 44,789.28 = 19,208 : x
  2. Step 2: Convert to fraction form
    32,456/44,789.28 = 19,208/x
  3. Step 3: Cross multiply
    32,456x = 44,789.28 × 19,208
  4. Step 4: Simplify right side
    32,456x = 860,312,490.24
  5. Step 5: Solve for x
    x = 860,312,490.24/32,456
  6. Step 6: Final answer
    x = 26,507.04

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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.