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Finding the Fourth Proportional to 8,419.51, 11,617.53 and 5,061.52

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Solution

The fourth proportional to 8,419.51, 11,617.53 and 5,061.52 is: 6,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.51 : 11,617.53 = 5,061.52 : x
  2. Step 2: Convert to fraction form
    8,419.51/11,617.53 = 5,061.52/x
  3. Step 3: Cross multiply
    8,419.51x = 11,617.53 × 5,061.52
  4. Step 4: Simplify right side
    8,419.51x = 58,802,360.45
  5. Step 5: Solve for x
    x = 58,802,360.45/8,419.51
  6. Step 6: Final answer
    x = 6,984.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.