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Finding the Fourth Proportional to 58,403.80, 80,597.21 and 31,546.30

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Solution

The fourth proportional to 58,403.80, 80,597.21 and 31,546.30 is: 43,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,403.80 : 80,597.21 = 31,546.30 : x
  2. Step 2: Convert to fraction form
    58,403.80/80,597.21 = 31,546.30/x
  3. Step 3: Cross multiply
    58,403.80x = 80,597.21 × 31,546.30
  4. Step 4: Simplify right side
    58,403.80x = 2,542,543,754.91
  5. Step 5: Solve for x
    x = 2,542,543,754.91/58,403.80
  6. Step 6: Final answer
    x = 43,533.88

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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.