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Finding the Fourth Proportional to 37,713.37, 52,043.02 and 20,947.45

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Solution

The fourth proportional to 37,713.37, 52,043.02 and 20,947.45 is: 28,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,713.37 : 52,043.02 = 20,947.45 : x
  2. Step 2: Convert to fraction form
    37,713.37/52,043.02 = 20,947.45/x
  3. Step 3: Cross multiply
    37,713.37x = 52,043.02 × 20,947.45
  4. Step 4: Simplify right side
    37,713.37x = 1,090,168,559.30
  5. Step 5: Solve for x
    x = 1,090,168,559.30/37,713.37
  6. Step 6: Final answer
    x = 28,906.69

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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.