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Finding the Fourth Proportional to 37,572.63, 51,851.87 and 20,805.63

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Solution

The fourth proportional to 37,572.63, 51,851.87 and 20,805.63 is: 28,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,572.63 : 51,851.87 = 20,805.63 : x
  2. Step 2: Convert to fraction form
    37,572.63/51,851.87 = 20,805.63/x
  3. Step 3: Cross multiply
    37,572.63x = 51,851.87 × 20,805.63
  4. Step 4: Simplify right side
    37,572.63x = 1,078,810,822.03
  5. Step 5: Solve for x
    x = 1,078,810,822.03/37,572.63
  6. Step 6: Final answer
    x = 28,712.68

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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.