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Finding the Fourth Proportional to 37,957.25, 56,970.60 and 19,250.20

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Solution

The fourth proportional to 37,957.25, 56,970.60 and 19,250.20 is: 28,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,957.25 : 56,970.60 = 19,250.20 : x
  2. Step 2: Convert to fraction form
    37,957.25/56,970.60 = 19,250.20/x
  3. Step 3: Cross multiply
    37,957.25x = 56,970.60 × 19,250.20
  4. Step 4: Simplify right side
    37,957.25x = 1,096,695,063.02
  5. Step 5: Solve for x
    x = 1,096,695,063.02/37,957.25
  6. Step 6: Final answer
    x = 28,892.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.