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Finding the Fourth Proportional to 37,709.44, 56,563.28 and 18,984.44

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Solution

The fourth proportional to 37,709.44, 56,563.28 and 18,984.44 is: 28,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,709.44 : 56,563.28 = 18,984.44 : x
  2. Step 2: Convert to fraction form
    37,709.44/56,563.28 = 18,984.44/x
  3. Step 3: Cross multiply
    37,709.44x = 56,563.28 × 18,984.44
  4. Step 4: Simplify right side
    37,709.44x = 1,073,822,313.04
  5. Step 5: Solve for x
    x = 1,073,822,313.04/37,709.44
  6. Step 6: Final answer
    x = 28,476.22

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1.5x scale

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.