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Finding the Fourth Proportional to 39,604.40, 59,460.60 and 25,650.80

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Solution

The fourth proportional to 39,604.40, 59,460.60 and 25,650.80 is: 38,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,604.40 : 59,460.60 = 25,650.80 : x
  2. Step 2: Convert to fraction form
    39,604.40/59,460.60 = 25,650.80/x
  3. Step 3: Cross multiply
    39,604.40x = 59,460.60 × 25,650.80
  4. Step 4: Simplify right side
    39,604.40x = 1,525,211,958.48
  5. Step 5: Solve for x
    x = 1,525,211,958.48/39,604.40
  6. Step 6: Final answer
    x = 38,511.17

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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.