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Finding the Fourth Proportional to 49,385.36, 74,051.49 and 15,645.18

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Solution

The fourth proportional to 49,385.36, 74,051.49 and 15,645.18 is: 23,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.36 : 74,051.49 = 15,645.18 : x
  2. Step 2: Convert to fraction form
    49,385.36/74,051.49 = 15,645.18/x
  3. Step 3: Cross multiply
    49,385.36x = 74,051.49 × 15,645.18
  4. Step 4: Simplify right side
    49,385.36x = 1,158,548,890.32
  5. Step 5: Solve for x
    x = 1,158,548,890.32/49,385.36
  6. Step 6: Final answer
    x = 23,459.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.