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Finding the Fourth Proportional to 45,956.68, 63,415.74 and 25,809

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Solution

The fourth proportional to 45,956.68, 63,415.74 and 25,809 is: 35,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,956.68 : 63,415.74 = 25,809 : x
  2. Step 2: Convert to fraction form
    45,956.68/63,415.74 = 25,809/x
  3. Step 3: Cross multiply
    45,956.68x = 63,415.74 × 25,809
  4. Step 4: Simplify right side
    45,956.68x = 1,636,696,833.66
  5. Step 5: Solve for x
    x = 1,636,696,833.66/45,956.68
  6. Step 6: Final answer
    x = 35,613.90

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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.