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Finding the Fourth Proportional to 25,383.63, 35,024.54 and 16,429.89

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Solution

The fourth proportional to 25,383.63, 35,024.54 and 16,429.89 is: 22,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.63 : 35,024.54 = 16,429.89 : x
  2. Step 2: Convert to fraction form
    25,383.63/35,024.54 = 16,429.89/x
  3. Step 3: Cross multiply
    25,383.63x = 35,024.54 × 16,429.89
  4. Step 4: Simplify right side
    25,383.63x = 575,449,164.38
  5. Step 5: Solve for x
    x = 575,449,164.38/25,383.63
  6. Step 6: Final answer
    x = 22,670.09

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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.