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Finding the Fourth Proportional to 57,633.36, 86,450.28 and 38,927.28

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Solution

The fourth proportional to 57,633.36, 86,450.28 and 38,927.28 is: 58,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,633.36 : 86,450.28 = 38,927.28 : x
  2. Step 2: Convert to fraction form
    57,633.36/86,450.28 = 38,927.28/x
  3. Step 3: Cross multiply
    57,633.36x = 86,450.28 × 38,927.28
  4. Step 4: Simplify right side
    57,633.36x = 3,365,274,255.64
  5. Step 5: Solve for x
    x = 3,365,274,255.64/57,633.36
  6. Step 6: Final answer
    x = 58,391.08

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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.