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Finding the Fourth Proportional to 17,491.40, 26,301.90 and 14,640.20

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Solution

The fourth proportional to 17,491.40, 26,301.90 and 14,640.20 is: 22,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,491.40 : 26,301.90 = 14,640.20 : x
  2. Step 2: Convert to fraction form
    17,491.40/26,301.90 = 14,640.20/x
  3. Step 3: Cross multiply
    17,491.40x = 26,301.90 × 14,640.20
  4. Step 4: Simplify right side
    17,491.40x = 385,065,076.38
  5. Step 5: Solve for x
    x = 385,065,076.38/17,491.40
  6. Step 6: Final answer
    x = 22,014.54

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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.