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Finding the Fourth Proportional to 43,675.00, 65,518.47 and 19,977.03

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Solution

The fourth proportional to 43,675.00, 65,518.47 and 19,977.03 is: 29,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.00 : 65,518.47 = 19,977.03 : x
  2. Step 2: Convert to fraction form
    43,675.00/65,518.47 = 19,977.03/x
  3. Step 3: Cross multiply
    43,675.00x = 65,518.47 × 19,977.03
  4. Step 4: Simplify right side
    43,675.00x = 1,308,864,440.74
  5. Step 5: Solve for x
    x = 1,308,864,440.74/43,675.00
  6. Step 6: Final answer
    x = 29,968.28

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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.