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Finding the Fourth Proportional to 30,361.95, 45,542.70 and 23,354.43

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Solution

The fourth proportional to 30,361.95, 45,542.70 and 23,354.43 is: 35,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.95 : 45,542.70 = 23,354.43 : x
  2. Step 2: Convert to fraction form
    30,361.95/45,542.70 = 23,354.43/x
  3. Step 3: Cross multiply
    30,361.95x = 45,542.70 × 23,354.43
  4. Step 4: Simplify right side
    30,361.95x = 1,063,623,799.16
  5. Step 5: Solve for x
    x = 1,063,623,799.16/30,361.95
  6. Step 6: Final answer
    x = 35,031.47

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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.