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Finding the Fourth Proportional to 37,482, 51,725.88 and 20,714.64

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Solution

The fourth proportional to 37,482, 51,725.88 and 20,714.64 is: 28,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,482 : 51,725.88 = 20,714.64 : x
  2. Step 2: Convert to fraction form
    37,482/51,725.88 = 20,714.64/x
  3. Step 3: Cross multiply
    37,482x = 51,725.88 × 20,714.64
  4. Step 4: Simplify right side
    37,482x = 1,071,482,982.88
  5. Step 5: Solve for x
    x = 1,071,482,982.88/37,482
  6. Step 6: Final answer
    x = 28,586.60

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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.