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Finding the Fourth Proportional to 29,407.98, 44,087.17 and 12,755.47

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Solution

The fourth proportional to 29,407.98, 44,087.17 and 12,755.47 is: 19,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.98 : 44,087.17 = 12,755.47 : x
  2. Step 2: Convert to fraction form
    29,407.98/44,087.17 = 12,755.47/x
  3. Step 3: Cross multiply
    29,407.98x = 44,087.17 × 12,755.47
  4. Step 4: Simplify right side
    29,407.98x = 562,352,574.32
  5. Step 5: Solve for x
    x = 562,352,574.32/29,407.98
  6. Step 6: Final answer
    x = 19,122.45

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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.