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Finding the Fourth Proportional to 18,573.70, 25,633.48 and 10,614.38

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Solution

The fourth proportional to 18,573.70, 25,633.48 and 10,614.38 is: 14,648.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.70 : 25,633.48 = 10,614.38 : x
  2. Step 2: Convert to fraction form
    18,573.70/25,633.48 = 10,614.38/x
  3. Step 3: Cross multiply
    18,573.70x = 25,633.48 × 10,614.38
  4. Step 4: Simplify right side
    18,573.70x = 272,083,567.03
  5. Step 5: Solve for x
    x = 272,083,567.03/18,573.70
  6. Step 6: Final answer
    x = 14,648.86

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1.5x scale

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.