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Finding the Fourth Proportional to 39,230.40, 58,845.60 and 36,004.80

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Solution

The fourth proportional to 39,230.40, 58,845.60 and 36,004.80 is: 54,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.40 : 58,845.60 = 36,004.80 : x
  2. Step 2: Convert to fraction form
    39,230.40/58,845.60 = 36,004.80/x
  3. Step 3: Cross multiply
    39,230.40x = 58,845.60 × 36,004.80
  4. Step 4: Simplify right side
    39,230.40x = 2,118,724,058.88
  5. Step 5: Solve for x
    x = 2,118,724,058.88/39,230.40
  6. Step 6: Final answer
    x = 54,007.20

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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.