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Finding the Fourth Proportional to 52,583.81, 72,572.02 and 29,928.31

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Solution

The fourth proportional to 52,583.81, 72,572.02 and 29,928.31 is: 41,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,583.81 : 72,572.02 = 29,928.31 : x
  2. Step 2: Convert to fraction form
    52,583.81/72,572.02 = 29,928.31/x
  3. Step 3: Cross multiply
    52,583.81x = 72,572.02 × 29,928.31
  4. Step 4: Simplify right side
    52,583.81x = 2,171,957,655.64
  5. Step 5: Solve for x
    x = 2,171,957,655.64/52,583.81
  6. Step 6: Final answer
    x = 41,304.69

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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.