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Finding the Fourth Proportional to 60,761.90, 83,851.64 and 33,905.54

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Solution

The fourth proportional to 60,761.90, 83,851.64 and 33,905.54 is: 46,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,761.90 : 83,851.64 = 33,905.54 : x
  2. Step 2: Convert to fraction form
    60,761.90/83,851.64 = 33,905.54/x
  3. Step 3: Cross multiply
    60,761.90x = 83,851.64 × 33,905.54
  4. Step 4: Simplify right side
    60,761.90x = 2,843,035,134.09
  5. Step 5: Solve for x
    x = 2,843,035,134.09/60,761.90
  6. Step 6: Final answer
    x = 46,789.77

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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.