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Finding the Fourth Proportional to 57,112.25, 78,803.97 and 36,966.34

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Solution

The fourth proportional to 57,112.25, 78,803.97 and 36,966.34 is: 51,006.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.25 : 78,803.97 = 36,966.34 : x
  2. Step 2: Convert to fraction form
    57,112.25/78,803.97 = 36,966.34/x
  3. Step 3: Cross multiply
    57,112.25x = 78,803.97 × 36,966.34
  4. Step 4: Simplify right side
    57,112.25x = 2,913,093,954.35
  5. Step 5: Solve for x
    x = 2,913,093,954.35/57,112.25
  6. Step 6: Final answer
    x = 51,006.46

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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.