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Finding the Fourth Proportional to 57,235.82, 85,852.81 and 15,682.82

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Solution

The fourth proportional to 57,235.82, 85,852.81 and 15,682.82 is: 23,523.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.82 : 85,852.81 = 15,682.82 : x
  2. Step 2: Convert to fraction form
    57,235.82/85,852.81 = 15,682.82/x
  3. Step 3: Cross multiply
    57,235.82x = 85,852.81 × 15,682.82
  4. Step 4: Simplify right side
    57,235.82x = 1,346,413,756.06
  5. Step 5: Solve for x
    x = 1,346,413,756.06/57,235.82
  6. Step 6: Final answer
    x = 23,523.97

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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.