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Finding the Fourth Proportional to 59,070.97, 81,519.98 and 33,578.40

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Solution

The fourth proportional to 59,070.97, 81,519.98 and 33,578.40 is: 46,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,070.97 : 81,519.98 = 33,578.40 : x
  2. Step 2: Convert to fraction form
    59,070.97/81,519.98 = 33,578.40/x
  3. Step 3: Cross multiply
    59,070.97x = 81,519.98 × 33,578.40
  4. Step 4: Simplify right side
    59,070.97x = 2,737,310,328.54
  5. Step 5: Solve for x
    x = 2,737,310,328.54/59,070.97
  6. Step 6: Final answer
    x = 46,339.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.