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Finding the Fourth Proportional to 51,703.48, 77,564.31 and 26,736.73

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Solution

The fourth proportional to 51,703.48, 77,564.31 and 26,736.73 is: 40,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,703.48 : 77,564.31 = 26,736.73 : x
  2. Step 2: Convert to fraction form
    51,703.48/77,564.31 = 26,736.73/x
  3. Step 3: Cross multiply
    51,703.48x = 77,564.31 × 26,736.73
  4. Step 4: Simplify right side
    51,703.48x = 2,073,816,014.11
  5. Step 5: Solve for x
    x = 2,073,816,014.11/51,703.48
  6. Step 6: Final answer
    x = 40,109.80

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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.