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Finding the Fourth Proportional to 39,412.44, 59,101.11 and 14,445.90

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Solution

The fourth proportional to 39,412.44, 59,101.11 and 14,445.90 is: 21,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.44 : 59,101.11 = 14,445.90 : x
  2. Step 2: Convert to fraction form
    39,412.44/59,101.11 = 14,445.90/x
  3. Step 3: Cross multiply
    39,412.44x = 59,101.11 × 14,445.90
  4. Step 4: Simplify right side
    39,412.44x = 853,768,724.95
  5. Step 5: Solve for x
    x = 853,768,724.95/39,412.44
  6. Step 6: Final answer
    x = 21,662.42

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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.