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Finding the Fourth Proportional to 57,202.19, 78,939.04 and 34,846.19

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Solution

The fourth proportional to 57,202.19, 78,939.04 and 34,846.19 is: 48,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.19 : 78,939.04 = 34,846.19 : x
  2. Step 2: Convert to fraction form
    57,202.19/78,939.04 = 34,846.19/x
  3. Step 3: Cross multiply
    57,202.19x = 78,939.04 × 34,846.19
  4. Step 4: Simplify right side
    57,202.19x = 2,750,724,786.26
  5. Step 5: Solve for x
    x = 2,750,724,786.26/57,202.19
  6. Step 6: Final answer
    x = 48,087.75

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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.