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Finding the Fourth Proportional to 17,908.40, 26,862.60 and 10,035.20

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Solution

The fourth proportional to 17,908.40, 26,862.60 and 10,035.20 is: 15,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.40 : 26,862.60 = 10,035.20 : x
  2. Step 2: Convert to fraction form
    17,908.40/26,862.60 = 10,035.20/x
  3. Step 3: Cross multiply
    17,908.40x = 26,862.60 × 10,035.20
  4. Step 4: Simplify right side
    17,908.40x = 269,571,563.52
  5. Step 5: Solve for x
    x = 269,571,563.52/17,908.40
  6. Step 6: Final answer
    x = 15,052.80

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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.