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Finding the Fourth Proportional to 58,653.44, 80,942.76 and 33,503.12

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Solution

The fourth proportional to 58,653.44, 80,942.76 and 33,503.12 is: 46,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,653.44 : 80,942.76 = 33,503.12 : x
  2. Step 2: Convert to fraction form
    58,653.44/80,942.76 = 33,503.12/x
  3. Step 3: Cross multiply
    58,653.44x = 80,942.76 × 33,503.12
  4. Step 4: Simplify right side
    58,653.44x = 2,711,835,001.41
  5. Step 5: Solve for x
    x = 2,711,835,001.41/58,653.44
  6. Step 6: Final answer
    x = 46,234.88

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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.