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Finding the Fourth Proportional to 35,334.59, 48,762 and 19,419.30

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Solution

The fourth proportional to 35,334.59, 48,762 and 19,419.30 is: 26,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,334.59 : 48,762 = 19,419.30 : x
  2. Step 2: Convert to fraction form
    35,334.59/48,762 = 19,419.30/x
  3. Step 3: Cross multiply
    35,334.59x = 48,762 × 19,419.30
  4. Step 4: Simplify right side
    35,334.59x = 946,923,906.60
  5. Step 5: Solve for x
    x = 946,923,906.60/35,334.59
  6. Step 6: Final answer
    x = 26,798.78

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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.