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Finding the Fourth Proportional to 52,601.94, 78,903.39 and 19,322.58

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Solution

The fourth proportional to 52,601.94, 78,903.39 and 19,322.58 is: 28,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,601.94 : 78,903.39 = 19,322.58 : x
  2. Step 2: Convert to fraction form
    52,601.94/78,903.39 = 19,322.58/x
  3. Step 3: Cross multiply
    52,601.94x = 78,903.39 × 19,322.58
  4. Step 4: Simplify right side
    52,601.94x = 1,524,617,065.55
  5. Step 5: Solve for x
    x = 1,524,617,065.55/52,601.94
  6. Step 6: Final answer
    x = 28,984.05

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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.