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Finding the Fourth Proportional to 53,037.92, 79,536.04 and 19,295.92

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Solution

The fourth proportional to 53,037.92, 79,536.04 and 19,295.92 is: 28,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,037.92 : 79,536.04 = 19,295.92 : x
  2. Step 2: Convert to fraction form
    53,037.92/79,536.04 = 19,295.92/x
  3. Step 3: Cross multiply
    53,037.92x = 79,536.04 × 19,295.92
  4. Step 4: Simplify right side
    53,037.92x = 1,534,720,570.80
  5. Step 5: Solve for x
    x = 1,534,720,570.80/53,037.92
  6. Step 6: Final answer
    x = 28,936.29

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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.