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Finding the Fourth Proportional to 60,865.97, 83,995.45 and 34,009.61

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Solution

The fourth proportional to 60,865.97, 83,995.45 and 34,009.61 is: 46,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,865.97 : 83,995.45 = 34,009.61 : x
  2. Step 2: Convert to fraction form
    60,865.97/83,995.45 = 34,009.61/x
  3. Step 3: Cross multiply
    60,865.97x = 83,995.45 × 34,009.61
  4. Step 4: Simplify right side
    60,865.97x = 2,856,651,991.27
  5. Step 5: Solve for x
    x = 2,856,651,991.27/60,865.97
  6. Step 6: Final answer
    x = 46,933.49

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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.