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Finding the Fourth Proportional to 69,574.45, 104,356.14 and 19,652.53

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Solution

The fourth proportional to 69,574.45, 104,356.14 and 19,652.53 is: 29,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.45 : 104,356.14 = 19,652.53 : x
  2. Step 2: Convert to fraction form
    69,574.45/104,356.14 = 19,652.53/x
  3. Step 3: Cross multiply
    69,574.45x = 104,356.14 × 19,652.53
  4. Step 4: Simplify right side
    69,574.45x = 2,050,862,172.03
  5. Step 5: Solve for x
    x = 2,050,862,172.03/69,574.45
  6. Step 6: Final answer
    x = 29,477.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.