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Finding the Fourth Proportional to 34,503.30, 47,619.60 and 19,397.21

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Solution

The fourth proportional to 34,503.30, 47,619.60 and 19,397.21 is: 26,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,503.30 : 47,619.60 = 19,397.21 : x
  2. Step 2: Convert to fraction form
    34,503.30/47,619.60 = 19,397.21/x
  3. Step 3: Cross multiply
    34,503.30x = 47,619.60 × 19,397.21
  4. Step 4: Simplify right side
    34,503.30x = 923,687,070.48
  5. Step 5: Solve for x
    x = 923,687,070.48/34,503.30
  6. Step 6: Final answer
    x = 26,770.98

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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.