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Finding the Fourth Proportional to 30,568.72, 45,866.04 and 16,701.52

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Solution

The fourth proportional to 30,568.72, 45,866.04 and 16,701.52 is: 25,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.72 : 45,866.04 = 16,701.52 : x
  2. Step 2: Convert to fraction form
    30,568.72/45,866.04 = 16,701.52/x
  3. Step 3: Cross multiply
    30,568.72x = 45,866.04 × 16,701.52
  4. Step 4: Simplify right side
    30,568.72x = 766,032,584.38
  5. Step 5: Solve for x
    x = 766,032,584.38/30,568.72
  6. Step 6: Final answer
    x = 25,059.36

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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.