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Finding the Fourth Proportional to 39,757.72, 54,869.43 and 22,763.30

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Solution

The fourth proportional to 39,757.72, 54,869.43 and 22,763.30 is: 31,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.72 : 54,869.43 = 22,763.30 : x
  2. Step 2: Convert to fraction form
    39,757.72/54,869.43 = 22,763.30/x
  3. Step 3: Cross multiply
    39,757.72x = 54,869.43 × 22,763.30
  4. Step 4: Simplify right side
    39,757.72x = 1,249,009,295.92
  5. Step 5: Solve for x
    x = 1,249,009,295.92/39,757.72
  6. Step 6: Final answer
    x = 31,415.52

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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.