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Finding the Fourth Proportional to 25,705.92, 35,473.46 and 14,375.44

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Solution

The fourth proportional to 25,705.92, 35,473.46 and 14,375.44 is: 19,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.92 : 35,473.46 = 14,375.44 : x
  2. Step 2: Convert to fraction form
    25,705.92/35,473.46 = 14,375.44/x
  3. Step 3: Cross multiply
    25,705.92x = 35,473.46 × 14,375.44
  4. Step 4: Simplify right side
    25,705.92x = 509,946,595.82
  5. Step 5: Solve for x
    x = 509,946,595.82/25,705.92
  6. Step 6: Final answer
    x = 19,837.71

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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.