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Finding the Fourth Proportional to 45,693.99, 63,060.71 and 27,789.75

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Solution

The fourth proportional to 45,693.99, 63,060.71 and 27,789.75 is: 38,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,693.99 : 63,060.71 = 27,789.75 : x
  2. Step 2: Convert to fraction form
    45,693.99/63,060.71 = 27,789.75/x
  3. Step 3: Cross multiply
    45,693.99x = 63,060.71 × 27,789.75
  4. Step 4: Simplify right side
    45,693.99x = 1,752,441,365.72
  5. Step 5: Solve for x
    x = 1,752,441,365.72/45,693.99
  6. Step 6: Final answer
    x = 38,351.68

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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.