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Finding the Fourth Proportional to 56,482.43, 84,664.54 and 19,029.57

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Solution

The fourth proportional to 56,482.43, 84,664.54 and 19,029.57 is: 28,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.43 : 84,664.54 = 19,029.57 : x
  2. Step 2: Convert to fraction form
    56,482.43/84,664.54 = 19,029.57/x
  3. Step 3: Cross multiply
    56,482.43x = 84,664.54 × 19,029.57
  4. Step 4: Simplify right side
    56,482.43x = 1,611,129,742.87
  5. Step 5: Solve for x
    x = 1,611,129,742.87/56,482.43
  6. Step 6: Final answer
    x = 28,524.44

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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.