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Finding the Fourth Proportional to 57,794.41, 79,631.79 and 38,898.73

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Solution

The fourth proportional to 57,794.41, 79,631.79 and 38,898.73 is: 53,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,794.41 : 79,631.79 = 38,898.73 : x
  2. Step 2: Convert to fraction form
    57,794.41/79,631.79 = 38,898.73/x
  3. Step 3: Cross multiply
    57,794.41x = 79,631.79 × 38,898.73
  4. Step 4: Simplify right side
    57,794.41x = 3,097,575,100.47
  5. Step 5: Solve for x
    x = 3,097,575,100.47/57,794.41
  6. Step 6: Final answer
    x = 53,596.45

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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.