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Finding the Fourth Proportional to 53,203.68, 79,703.36 and 29,759.04

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Solution

The fourth proportional to 53,203.68, 79,703.36 and 29,759.04 is: 44,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203.68 : 79,703.36 = 29,759.04 : x
  2. Step 2: Convert to fraction form
    53,203.68/79,703.36 = 29,759.04/x
  3. Step 3: Cross multiply
    53,203.68x = 79,703.36 × 29,759.04
  4. Step 4: Simplify right side
    53,203.68x = 2,371,895,478.37
  5. Step 5: Solve for x
    x = 2,371,895,478.37/53,203.68
  6. Step 6: Final answer
    x = 44,581.42

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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.