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Finding the Fourth Proportional to 25,383.78, 35,028.49 and 14,052.48

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Solution

The fourth proportional to 25,383.78, 35,028.49 and 14,052.48 is: 19,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.78 : 35,028.49 = 14,052.48 : x
  2. Step 2: Convert to fraction form
    25,383.78/35,028.49 = 14,052.48/x
  3. Step 3: Cross multiply
    25,383.78x = 35,028.49 × 14,052.48
  4. Step 4: Simplify right side
    25,383.78x = 492,237,155.16
  5. Step 5: Solve for x
    x = 492,237,155.16/25,383.78
  6. Step 6: Final answer
    x = 19,391.80

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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.