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Finding the Fourth Proportional to 33,730.80, 50,626.80 and 17,102.40

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Solution

The fourth proportional to 33,730.80, 50,626.80 and 17,102.40 is: 25,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,730.80 : 50,626.80 = 17,102.40 : x
  2. Step 2: Convert to fraction form
    33,730.80/50,626.80 = 17,102.40/x
  3. Step 3: Cross multiply
    33,730.80x = 50,626.80 × 17,102.40
  4. Step 4: Simplify right side
    33,730.80x = 865,839,784.32
  5. Step 5: Solve for x
    x = 865,839,784.32/33,730.80
  6. Step 6: Final answer
    x = 25,669.12

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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.