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Finding the Fourth Proportional to 58,891.28, 88,339.74 and 19,447.52

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Solution

The fourth proportional to 58,891.28, 88,339.74 and 19,447.52 is: 29,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.28 : 88,339.74 = 19,447.52 : x
  2. Step 2: Convert to fraction form
    58,891.28/88,339.74 = 19,447.52/x
  3. Step 3: Cross multiply
    58,891.28x = 88,339.74 × 19,447.52
  4. Step 4: Simplify right side
    58,891.28x = 1,717,988,860.44
  5. Step 5: Solve for x
    x = 1,717,988,860.44/58,891.28
  6. Step 6: Final answer
    x = 29,172.21

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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.