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Finding the Fourth Proportional to 25,178.52, 34,744.52 and 13,848.80

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Solution

The fourth proportional to 25,178.52, 34,744.52 and 13,848.80 is: 19,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.52 : 34,744.52 = 13,848.80 : x
  2. Step 2: Convert to fraction form
    25,178.52/34,744.52 = 13,848.80/x
  3. Step 3: Cross multiply
    25,178.52x = 34,744.52 × 13,848.80
  4. Step 4: Simplify right side
    25,178.52x = 481,169,908.58
  5. Step 5: Solve for x
    x = 481,169,908.58/25,178.52
  6. Step 6: Final answer
    x = 19,110.33

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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.