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Finding the Fourth Proportional to 17,215.98, 23,749.02 and 14,214.30

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Solution

The fourth proportional to 17,215.98, 23,749.02 and 14,214.30 is: 19,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.98 : 23,749.02 = 14,214.30 : x
  2. Step 2: Convert to fraction form
    17,215.98/23,749.02 = 14,214.30/x
  3. Step 3: Cross multiply
    17,215.98x = 23,749.02 × 14,214.30
  4. Step 4: Simplify right side
    17,215.98x = 337,575,694.99
  5. Step 5: Solve for x
    x = 337,575,694.99/17,215.98
  6. Step 6: Final answer
    x = 19,608.28

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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.