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Finding the Fourth Proportional to 43,053.72, 64,580.48 and 11,888.88

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Solution

The fourth proportional to 43,053.72, 64,580.48 and 11,888.88 is: 17,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,053.72 : 64,580.48 = 11,888.88 : x
  2. Step 2: Convert to fraction form
    43,053.72/64,580.48 = 11,888.88/x
  3. Step 3: Cross multiply
    43,053.72x = 64,580.48 × 11,888.88
  4. Step 4: Simplify right side
    43,053.72x = 767,789,577.06
  5. Step 5: Solve for x
    x = 767,789,577.06/43,053.72
  6. Step 6: Final answer
    x = 17,833.29

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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.