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Finding the Fourth Proportional to 44,695.67, 67,043.43 and 11,415.72

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Solution

The fourth proportional to 44,695.67, 67,043.43 and 11,415.72 is: 17,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,695.67 : 67,043.43 = 11,415.72 : x
  2. Step 2: Convert to fraction form
    44,695.67/67,043.43 = 11,415.72/x
  3. Step 3: Cross multiply
    44,695.67x = 67,043.43 × 11,415.72
  4. Step 4: Simplify right side
    44,695.67x = 765,349,024.72
  5. Step 5: Solve for x
    x = 765,349,024.72/44,695.67
  6. Step 6: Final answer
    x = 17,123.56

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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.