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Finding the Fourth Proportional to 17,092.40, 25,638.60 and 15,666.80

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Solution

The fourth proportional to 17,092.40, 25,638.60 and 15,666.80 is: 23,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.40 : 25,638.60 = 15,666.80 : x
  2. Step 2: Convert to fraction form
    17,092.40/25,638.60 = 15,666.80/x
  3. Step 3: Cross multiply
    17,092.40x = 25,638.60 × 15,666.80
  4. Step 4: Simplify right side
    17,092.40x = 401,674,818.48
  5. Step 5: Solve for x
    x = 401,674,818.48/17,092.40
  6. Step 6: Final answer
    x = 23,500.20

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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.