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Finding the Fourth Proportional to 50,818, 76,273.80 and 25,875.88

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Solution

The fourth proportional to 50,818, 76,273.80 and 25,875.88 is: 38,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818 : 76,273.80 = 25,875.88 : x
  2. Step 2: Convert to fraction form
    50,818/76,273.80 = 25,875.88/x
  3. Step 3: Cross multiply
    50,818x = 76,273.80 × 25,875.88
  4. Step 4: Simplify right side
    50,818x = 1,973,651,695.94
  5. Step 5: Solve for x
    x = 1,973,651,695.94/50,818
  6. Step 6: Final answer
    x = 38,837.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.