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Finding the Fourth Proportional to 53,670.38, 80,505.57 and 16,734.38

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Solution

The fourth proportional to 53,670.38, 80,505.57 and 16,734.38 is: 25,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,670.38 : 80,505.57 = 16,734.38 : x
  2. Step 2: Convert to fraction form
    53,670.38/80,505.57 = 16,734.38/x
  3. Step 3: Cross multiply
    53,670.38x = 80,505.57 × 16,734.38
  4. Step 4: Simplify right side
    53,670.38x = 1,347,210,397.97
  5. Step 5: Solve for x
    x = 1,347,210,397.97/53,670.38
  6. Step 6: Final answer
    x = 25,101.56

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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.