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Finding the Fourth Proportional to 33,310.08, 45,978.17 and 19,172.34

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Solution

The fourth proportional to 33,310.08, 45,978.17 and 19,172.34 is: 26,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,310.08 : 45,978.17 = 19,172.34 : x
  2. Step 2: Convert to fraction form
    33,310.08/45,978.17 = 19,172.34/x
  3. Step 3: Cross multiply
    33,310.08x = 45,978.17 × 19,172.34
  4. Step 4: Simplify right side
    33,310.08x = 881,509,011.96
  5. Step 5: Solve for x
    x = 881,509,011.96/33,310.08
  6. Step 6: Final answer
    x = 26,463.73

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1.5x scale

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.