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Finding the Fourth Proportional to 57,202.70, 85,852.65 and 25,661.30

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Solution

The fourth proportional to 57,202.70, 85,852.65 and 25,661.30 is: 38,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.70 : 85,852.65 = 25,661.30 : x
  2. Step 2: Convert to fraction form
    57,202.70/85,852.65 = 25,661.30/x
  3. Step 3: Cross multiply
    57,202.70x = 85,852.65 × 25,661.30
  4. Step 4: Simplify right side
    57,202.70x = 2,203,090,607.45
  5. Step 5: Solve for x
    x = 2,203,090,607.45/57,202.70
  6. Step 6: Final answer
    x = 38,513.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.