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Finding the Fourth Proportional to 60,820, 83,929.97 and 33,961.76

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Solution

The fourth proportional to 60,820, 83,929.97 and 33,961.76 is: 46,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,820 : 83,929.97 = 33,961.76 : x
  2. Step 2: Convert to fraction form
    60,820/83,929.97 = 33,961.76/x
  3. Step 3: Cross multiply
    60,820x = 83,929.97 × 33,961.76
  4. Step 4: Simplify right side
    60,820x = 2,850,409,497.95
  5. Step 5: Solve for x
    x = 2,850,409,497.95/60,820
  6. Step 6: Final answer
    x = 46,866.32

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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.