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Finding the Fourth Proportional to 25,374.52, 35,016.78 and 14,764.78

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Solution

The fourth proportional to 25,374.52, 35,016.78 and 14,764.78 is: 20,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.52 : 35,016.78 = 14,764.78 : x
  2. Step 2: Convert to fraction form
    25,374.52/35,016.78 = 14,764.78/x
  3. Step 3: Cross multiply
    25,374.52x = 35,016.78 × 14,764.78
  4. Step 4: Simplify right side
    25,374.52x = 517,015,053.01
  5. Step 5: Solve for x
    x = 517,015,053.01/25,374.52
  6. Step 6: Final answer
    x = 20,375.36

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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.