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Finding the Fourth Proportional to 33,989.68, 50,989.70 and 17,340.63

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Solution

The fourth proportional to 33,989.68, 50,989.70 and 17,340.63 is: 26,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.68 : 50,989.70 = 17,340.63 : x
  2. Step 2: Convert to fraction form
    33,989.68/50,989.70 = 17,340.63/x
  3. Step 3: Cross multiply
    33,989.68x = 50,989.70 × 17,340.63
  4. Step 4: Simplify right side
    33,989.68x = 884,193,564.86
  5. Step 5: Solve for x
    x = 884,193,564.86/33,989.68
  6. Step 6: Final answer
    x = 26,013.59

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1.5x scale

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.