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Finding the Fourth Proportional to 37,492.88, 51,740.78 and 20,725.88

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Solution

The fourth proportional to 37,492.88, 51,740.78 and 20,725.88 is: 28,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,492.88 : 51,740.78 = 20,725.88 : x
  2. Step 2: Convert to fraction form
    37,492.88/51,740.78 = 20,725.88/x
  3. Step 3: Cross multiply
    37,492.88x = 51,740.78 × 20,725.88
  4. Step 4: Simplify right side
    37,492.88x = 1,072,372,835.05
  5. Step 5: Solve for x
    x = 1,072,372,835.05/37,492.88
  6. Step 6: Final answer
    x = 28,602.04

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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.