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Finding the Fourth Proportional to 64,657.82, 96,929.22 and 25,242.54

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Solution

The fourth proportional to 64,657.82, 96,929.22 and 25,242.54 is: 37,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.82 : 96,929.22 = 25,242.54 : x
  2. Step 2: Convert to fraction form
    64,657.82/96,929.22 = 25,242.54/x
  3. Step 3: Cross multiply
    64,657.82x = 96,929.22 × 25,242.54
  4. Step 4: Simplify right side
    64,657.82x = 2,446,739,713.02
  5. Step 5: Solve for x
    x = 2,446,739,713.02/64,657.82
  6. Step 6: Final answer
    x = 37,841.36

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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.