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Finding the Fourth Proportional to 67,219.26, 100,828.20 and 17,299.16

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Solution

The fourth proportional to 67,219.26, 100,828.20 and 17,299.16 is: 25,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,219.26 : 100,828.20 = 17,299.16 : x
  2. Step 2: Convert to fraction form
    67,219.26/100,828.20 = 17,299.16/x
  3. Step 3: Cross multiply
    67,219.26x = 100,828.20 × 17,299.16
  4. Step 4: Simplify right side
    67,219.26x = 1,744,243,259.77
  5. Step 5: Solve for x
    x = 1,744,243,259.77/67,219.26
  6. Step 6: Final answer
    x = 25,948.56

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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.