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Finding the Fourth Proportional to 53,562.74, 73,920.94 and 29,696.48

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Solution

The fourth proportional to 53,562.74, 73,920.94 and 29,696.48 is: 40,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,562.74 : 73,920.94 = 29,696.48 : x
  2. Step 2: Convert to fraction form
    53,562.74/73,920.94 = 29,696.48/x
  3. Step 3: Cross multiply
    53,562.74x = 73,920.94 × 29,696.48
  4. Step 4: Simplify right side
    53,562.74x = 2,195,191,716.29
  5. Step 5: Solve for x
    x = 2,195,191,716.29/53,562.74
  6. Step 6: Final answer
    x = 40,983.56

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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.