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Finding the Fourth Proportional to 29,578.88, 44,370.45 and 9,313.90

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Solution

The fourth proportional to 29,578.88, 44,370.45 and 9,313.90 is: 13,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.88 : 44,370.45 = 9,313.90 : x
  2. Step 2: Convert to fraction form
    29,578.88/44,370.45 = 9,313.90/x
  3. Step 3: Cross multiply
    29,578.88x = 44,370.45 × 9,313.90
  4. Step 4: Simplify right side
    29,578.88x = 413,261,934.26
  5. Step 5: Solve for x
    x = 413,261,934.26/29,578.88
  6. Step 6: Final answer
    x = 13,971.52

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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.