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Finding the Fourth Proportional to 32,784.82, 45,242.99 and 18,444.67

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Solution

The fourth proportional to 32,784.82, 45,242.99 and 18,444.67 is: 25,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,784.82 : 45,242.99 = 18,444.67 : x
  2. Step 2: Convert to fraction form
    32,784.82/45,242.99 = 18,444.67/x
  3. Step 3: Cross multiply
    32,784.82x = 45,242.99 × 18,444.67
  4. Step 4: Simplify right side
    32,784.82x = 834,491,884.20
  5. Step 5: Solve for x
    x = 834,491,884.20/32,784.82
  6. Step 6: Final answer
    x = 25,453.61

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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.