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Finding the Fourth Proportional to 57,146.73, 78,866.94 and 32,955.48

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Solution

The fourth proportional to 57,146.73, 78,866.94 and 32,955.48 is: 45,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.73 : 78,866.94 = 32,955.48 : x
  2. Step 2: Convert to fraction form
    57,146.73/78,866.94 = 32,955.48/x
  3. Step 3: Cross multiply
    57,146.73x = 78,866.94 × 32,955.48
  4. Step 4: Simplify right side
    57,146.73x = 2,599,097,863.83
  5. Step 5: Solve for x
    x = 2,599,097,863.83/57,146.73
  6. Step 6: Final answer
    x = 45,481.13

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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.