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Finding the Fourth Proportional to 52,675.71, 79,012.75 and 13,232.82

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Solution

The fourth proportional to 52,675.71, 79,012.75 and 13,232.82 is: 19,849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675.71 : 79,012.75 = 13,232.82 : x
  2. Step 2: Convert to fraction form
    52,675.71/79,012.75 = 13,232.82/x
  3. Step 3: Cross multiply
    52,675.71x = 79,012.75 × 13,232.82
  4. Step 4: Simplify right side
    52,675.71x = 1,045,561,498.46
  5. Step 5: Solve for x
    x = 1,045,561,498.46/52,675.71
  6. Step 6: Final answer
    x = 19,849.03

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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.