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Finding the Fourth Proportional to 53,798.73, 80,708.99 and 18,741.12

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Solution

The fourth proportional to 53,798.73, 80,708.99 and 18,741.12 is: 28,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,798.73 : 80,708.99 = 18,741.12 : x
  2. Step 2: Convert to fraction form
    53,798.73/80,708.99 = 18,741.12/x
  3. Step 3: Cross multiply
    53,798.73x = 80,708.99 × 18,741.12
  4. Step 4: Simplify right side
    53,798.73x = 1,512,576,772.96
  5. Step 5: Solve for x
    x = 1,512,576,772.96/53,798.73
  6. Step 6: Final answer
    x = 28,115.47

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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.