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Finding the Fourth Proportional to 37,289.50, 51,460.62 and 20,522.50

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Solution

The fourth proportional to 37,289.50, 51,460.62 and 20,522.50 is: 28,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,289.50 : 51,460.62 = 20,522.50 : x
  2. Step 2: Convert to fraction form
    37,289.50/51,460.62 = 20,522.50/x
  3. Step 3: Cross multiply
    37,289.50x = 51,460.62 × 20,522.50
  4. Step 4: Simplify right side
    37,289.50x = 1,056,100,573.95
  5. Step 5: Solve for x
    x = 1,056,100,573.95/37,289.50
  6. Step 6: Final answer
    x = 28,321.66

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1.5x scale

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.