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Finding the Fourth Proportional to 41,253.40, 61,865.70 and 21,525.40

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Solution

The fourth proportional to 41,253.40, 61,865.70 and 21,525.40 is: 32,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,253.40 : 61,865.70 = 21,525.40 : x
  2. Step 2: Convert to fraction form
    41,253.40/61,865.70 = 21,525.40/x
  3. Step 3: Cross multiply
    41,253.40x = 61,865.70 × 21,525.40
  4. Step 4: Simplify right side
    41,253.40x = 1,331,683,938.78
  5. Step 5: Solve for x
    x = 1,331,683,938.78/41,253.40
  6. Step 6: Final answer
    x = 32,280.59

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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.