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Finding the Fourth Proportional to 52,744.76, 79,108.63 and 19,480.49

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Solution

The fourth proportional to 52,744.76, 79,108.63 and 19,480.49 is: 29,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,744.76 : 79,108.63 = 19,480.49 : x
  2. Step 2: Convert to fraction form
    52,744.76/79,108.63 = 19,480.49/x
  3. Step 3: Cross multiply
    52,744.76x = 79,108.63 × 19,480.49
  4. Step 4: Simplify right side
    52,744.76x = 1,541,074,875.63
  5. Step 5: Solve for x
    x = 1,541,074,875.63/52,744.76
  6. Step 6: Final answer
    x = 29,217.59

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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.