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Finding the Fourth Proportional to 60,809.15, 83,910.25 and 35,310.54

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Solution

The fourth proportional to 60,809.15, 83,910.25 and 35,310.54 is: 48,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,809.15 : 83,910.25 = 35,310.54 : x
  2. Step 2: Convert to fraction form
    60,809.15/83,910.25 = 35,310.54/x
  3. Step 3: Cross multiply
    60,809.15x = 83,910.25 × 35,310.54
  4. Step 4: Simplify right side
    60,809.15x = 2,962,916,239.04
  5. Step 5: Solve for x
    x = 2,962,916,239.04/60,809.15
  6. Step 6: Final answer
    x = 48,724.84

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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.