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Finding the Fourth Proportional to 39,216.40, 58,824.60 and 17,040.40

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Solution

The fourth proportional to 39,216.40, 58,824.60 and 17,040.40 is: 25,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.40 : 58,824.60 = 17,040.40 : x
  2. Step 2: Convert to fraction form
    39,216.40/58,824.60 = 17,040.40/x
  3. Step 3: Cross multiply
    39,216.40x = 58,824.60 × 17,040.40
  4. Step 4: Simplify right side
    39,216.40x = 1,002,394,713.84
  5. Step 5: Solve for x
    x = 1,002,394,713.84/39,216.40
  6. Step 6: Final answer
    x = 25,560.60

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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.