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Finding the Fourth Proportional to 58,906.85, 81,290.79 and 35,033.92

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Solution

The fourth proportional to 58,906.85, 81,290.79 and 35,033.92 is: 48,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.85 : 81,290.79 = 35,033.92 : x
  2. Step 2: Convert to fraction form
    58,906.85/81,290.79 = 35,033.92/x
  3. Step 3: Cross multiply
    58,906.85x = 81,290.79 × 35,033.92
  4. Step 4: Simplify right side
    58,906.85x = 2,847,934,830.37
  5. Step 5: Solve for x
    x = 2,847,934,830.37/58,906.85
  6. Step 6: Final answer
    x = 48,346.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.