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Finding the Fourth Proportional to 57,249.40, 85,882.20 and 17,802.40

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Solution

The fourth proportional to 57,249.40, 85,882.20 and 17,802.40 is: 26,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,249.40 : 85,882.20 = 17,802.40 : x
  2. Step 2: Convert to fraction form
    57,249.40/85,882.20 = 17,802.40/x
  3. Step 3: Cross multiply
    57,249.40x = 85,882.20 × 17,802.40
  4. Step 4: Simplify right side
    57,249.40x = 1,528,909,277.28
  5. Step 5: Solve for x
    x = 1,528,909,277.28/57,249.40
  6. Step 6: Final answer
    x = 26,706.12

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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.