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Finding the Fourth Proportional to 52,584.72, 72,568.63 and 28,713.21

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Solution

The fourth proportional to 52,584.72, 72,568.63 and 28,713.21 is: 39,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,584.72 : 72,568.63 = 28,713.21 : x
  2. Step 2: Convert to fraction form
    52,584.72/72,568.63 = 28,713.21/x
  3. Step 3: Cross multiply
    52,584.72x = 72,568.63 × 28,713.21
  4. Step 4: Simplify right side
    52,584.72x = 2,083,678,076.36
  5. Step 5: Solve for x
    x = 2,083,678,076.36/52,584.72
  6. Step 6: Final answer
    x = 39,625.17

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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.