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Finding the Fourth Proportional to 40,362.30, 60,538.75 and 10,782.45

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Solution

The fourth proportional to 40,362.30, 60,538.75 and 10,782.45 is: 16,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362.30 : 60,538.75 = 10,782.45 : x
  2. Step 2: Convert to fraction form
    40,362.30/60,538.75 = 10,782.45/x
  3. Step 3: Cross multiply
    40,362.30x = 60,538.75 × 10,782.45
  4. Step 4: Simplify right side
    40,362.30x = 652,756,017.98
  5. Step 5: Solve for x
    x = 652,756,017.98/40,362.30
  6. Step 6: Final answer
    x = 16,172.42

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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.