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Finding the Fourth Proportional to 56,479.41, 84,694.52 and 19,032.50

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Solution

The fourth proportional to 56,479.41, 84,694.52 and 19,032.50 is: 28,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479.41 : 84,694.52 = 19,032.50 : x
  2. Step 2: Convert to fraction form
    56,479.41/84,694.52 = 19,032.50/x
  3. Step 3: Cross multiply
    56,479.41x = 84,694.52 × 19,032.50
  4. Step 4: Simplify right side
    56,479.41x = 1,611,947,933.26
  5. Step 5: Solve for x
    x = 1,611,947,933.26/56,479.41
  6. Step 6: Final answer
    x = 28,540.45

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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.