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Finding the Fourth Proportional to 39,053.80, 53,982.82 and 35,953.72

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Solution

The fourth proportional to 39,053.80, 53,982.82 and 35,953.72 is: 49,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,053.80 : 53,982.82 = 35,953.72 : x
  2. Step 2: Convert to fraction form
    39,053.80/53,982.82 = 35,953.72/x
  3. Step 3: Cross multiply
    39,053.80x = 53,982.82 × 35,953.72
  4. Step 4: Simplify right side
    39,053.80x = 1,940,883,195.09
  5. Step 5: Solve for x
    x = 1,940,883,195.09/39,053.80
  6. Step 6: Final answer
    x = 49,697.68

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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.