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Finding the Fourth Proportional to 44,640.24, 66,960.40 and 16,938.24

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Solution

The fourth proportional to 44,640.24, 66,960.40 and 16,938.24 is: 25,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,640.24 : 66,960.40 = 16,938.24 : x
  2. Step 2: Convert to fraction form
    44,640.24/66,960.40 = 16,938.24/x
  3. Step 3: Cross multiply
    44,640.24x = 66,960.40 × 16,938.24
  4. Step 4: Simplify right side
    44,640.24x = 1,134,191,325.70
  5. Step 5: Solve for x
    x = 1,134,191,325.70/44,640.24
  6. Step 6: Final answer
    x = 25,407.38

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1.5x scale

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.