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Finding the Fourth Proportional to 39,845.90, 59,773.18 and 14,897.90

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Solution

The fourth proportional to 39,845.90, 59,773.18 and 14,897.90 is: 22,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,845.90 : 59,773.18 = 14,897.90 : x
  2. Step 2: Convert to fraction form
    39,845.90/59,773.18 = 14,897.90/x
  3. Step 3: Cross multiply
    39,845.90x = 59,773.18 × 14,897.90
  4. Step 4: Simplify right side
    39,845.90x = 890,494,858.32
  5. Step 5: Solve for x
    x = 890,494,858.32/39,845.90
  6. Step 6: Final answer
    x = 22,348.47

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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.