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Finding the Fourth Proportional to 11,665.51, 17,505.52 and 4,740.01

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Solution

The fourth proportional to 11,665.51, 17,505.52 and 4,740.01 is: 7,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.51 : 17,505.52 = 4,740.01 : x
  2. Step 2: Convert to fraction form
    11,665.51/17,505.52 = 4,740.01/x
  3. Step 3: Cross multiply
    11,665.51x = 17,505.52 × 4,740.01
  4. Step 4: Simplify right side
    11,665.51x = 82,976,284.24
  5. Step 5: Solve for x
    x = 82,976,284.24/11,665.51
  6. Step 6: Final answer
    x = 7,112.96

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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.