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Finding the Fourth Proportional to 37,495.50, 51,744.33 and 20,728.50

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Solution

The fourth proportional to 37,495.50, 51,744.33 and 20,728.50 is: 28,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,495.50 : 51,744.33 = 20,728.50 : x
  2. Step 2: Convert to fraction form
    37,495.50/51,744.33 = 20,728.50/x
  3. Step 3: Cross multiply
    37,495.50x = 51,744.33 × 20,728.50
  4. Step 4: Simplify right side
    37,495.50x = 1,072,582,344.41
  5. Step 5: Solve for x
    x = 1,072,582,344.41/37,495.50
  6. Step 6: Final answer
    x = 28,605.63

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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.