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Finding the Fourth Proportional to 45,789.40, 68,709.61 and 24,728.99

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Solution

The fourth proportional to 45,789.40, 68,709.61 and 24,728.99 is: 37,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.40 : 68,709.61 = 24,728.99 : x
  2. Step 2: Convert to fraction form
    45,789.40/68,709.61 = 24,728.99/x
  3. Step 3: Cross multiply
    45,789.40x = 68,709.61 × 24,728.99
  4. Step 4: Simplify right side
    45,789.40x = 1,699,119,258.59
  5. Step 5: Solve for x
    x = 1,699,119,258.59/45,789.40
  6. Step 6: Final answer
    x = 37,107.27

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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.