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Finding the Fourth Proportional to 39,750.71, 54,860.85 and 22,983.71

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Solution

The fourth proportional to 39,750.71, 54,860.85 and 22,983.71 is: 31,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,750.71 : 54,860.85 = 22,983.71 : x
  2. Step 2: Convert to fraction form
    39,750.71/54,860.85 = 22,983.71/x
  3. Step 3: Cross multiply
    39,750.71x = 54,860.85 × 22,983.71
  4. Step 4: Simplify right side
    39,750.71x = 1,260,905,592.45
  5. Step 5: Solve for x
    x = 1,260,905,592.45/39,750.71
  6. Step 6: Final answer
    x = 31,720.33

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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.