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Finding the Fourth Proportional to 60,783.22, 83,885.07 and 33,930.97

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Solution

The fourth proportional to 60,783.22, 83,885.07 and 33,930.97 is: 46,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,783.22 : 83,885.07 = 33,930.97 : x
  2. Step 2: Convert to fraction form
    60,783.22/83,885.07 = 33,930.97/x
  3. Step 3: Cross multiply
    60,783.22x = 83,885.07 × 33,930.97
  4. Step 4: Simplify right side
    60,783.22x = 2,846,301,793.62
  5. Step 5: Solve for x
    x = 2,846,301,793.62/60,783.22
  6. Step 6: Final answer
    x = 46,827.10

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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.