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Finding the Fourth Proportional to 39,365.56, 54,322.50 and 22,367.56

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Solution

The fourth proportional to 39,365.56, 54,322.50 and 22,367.56 is: 30,866.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,365.56 : 54,322.50 = 22,367.56 : x
  2. Step 2: Convert to fraction form
    39,365.56/54,322.50 = 22,367.56/x
  3. Step 3: Cross multiply
    39,365.56x = 54,322.50 × 22,367.56
  4. Step 4: Simplify right side
    39,365.56x = 1,215,061,506.49
  5. Step 5: Solve for x
    x = 1,215,061,506.49/39,365.56
  6. Step 6: Final answer
    x = 30,866.11

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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.