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Finding the Fourth Proportional to 25,382.78, 35,027.11 and 14,051.48

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Solution

The fourth proportional to 25,382.78, 35,027.11 and 14,051.48 is: 19,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.78 : 35,027.11 = 14,051.48 : x
  2. Step 2: Convert to fraction form
    25,382.78/35,027.11 = 14,051.48/x
  3. Step 3: Cross multiply
    25,382.78x = 35,027.11 × 14,051.48
  4. Step 4: Simplify right side
    25,382.78x = 492,182,788.06
  5. Step 5: Solve for x
    x = 492,182,788.06/25,382.78
  6. Step 6: Final answer
    x = 19,390.42

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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.