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Finding the Fourth Proportional to 58,144.30, 80,247.87 and 35,496.45

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Solution

The fourth proportional to 58,144.30, 80,247.87 and 35,496.45 is: 48,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,144.30 : 80,247.87 = 35,496.45 : x
  2. Step 2: Convert to fraction form
    58,144.30/80,247.87 = 35,496.45/x
  3. Step 3: Cross multiply
    58,144.30x = 80,247.87 × 35,496.45
  4. Step 4: Simplify right side
    58,144.30x = 2,848,514,505.06
  5. Step 5: Solve for x
    x = 2,848,514,505.06/58,144.30
  6. Step 6: Final answer
    x = 48,990.43

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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.