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Finding the Fourth Proportional to 53,114.58, 79,672.07 and 19,834.29

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Solution

The fourth proportional to 53,114.58, 79,672.07 and 19,834.29 is: 29,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,114.58 : 79,672.07 = 19,834.29 : x
  2. Step 2: Convert to fraction form
    53,114.58/79,672.07 = 19,834.29/x
  3. Step 3: Cross multiply
    53,114.58x = 79,672.07 × 19,834.29
  4. Step 4: Simplify right side
    53,114.58x = 1,580,238,842.11
  5. Step 5: Solve for x
    x = 1,580,238,842.11/53,114.58
  6. Step 6: Final answer
    x = 29,751.51

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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.