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Finding the Fourth Proportional to 52,396.80, 72,322.92 and 35,639.52

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Solution

The fourth proportional to 52,396.80, 72,322.92 and 35,639.52 is: 49,192.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,396.80 : 72,322.92 = 35,639.52 : x
  2. Step 2: Convert to fraction form
    52,396.80/72,322.92 = 35,639.52/x
  3. Step 3: Cross multiply
    52,396.80x = 72,322.92 × 35,639.52
  4. Step 4: Simplify right side
    52,396.80x = 2,577,554,153.80
  5. Step 5: Solve for x
    x = 2,577,554,153.80/52,396.80
  6. Step 6: Final answer
    x = 49,192.97

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Why These Related Problems?

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