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Finding the Fourth Proportional to 39,751.84, 54,845.54 and 23,830.48

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Solution

The fourth proportional to 39,751.84, 54,845.54 and 23,830.48 is: 32,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.84 : 54,845.54 = 23,830.48 : x
  2. Step 2: Convert to fraction form
    39,751.84/54,845.54 = 23,830.48/x
  3. Step 3: Cross multiply
    39,751.84x = 54,845.54 × 23,830.48
  4. Step 4: Simplify right side
    39,751.84x = 1,306,995,544.06
  5. Step 5: Solve for x
    x = 1,306,995,544.06/39,751.84
  6. Step 6: Final answer
    x = 32,878.87

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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.