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Finding the Fourth Proportional to 25,636, 35,377.68 and 14,458.72

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Solution

The fourth proportional to 25,636, 35,377.68 and 14,458.72 is: 19,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636 : 35,377.68 = 14,458.72 : x
  2. Step 2: Convert to fraction form
    25,636/35,377.68 = 14,458.72/x
  3. Step 3: Cross multiply
    25,636x = 35,377.68 × 14,458.72
  4. Step 4: Simplify right side
    25,636x = 511,515,969.37
  5. Step 5: Solve for x
    x = 511,515,969.37/25,636
  6. Step 6: Final answer
    x = 19,953.03

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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.