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Finding the Fourth Proportional to 67,047.36, 100,569.45 and 33,758.47

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Solution

The fourth proportional to 67,047.36, 100,569.45 and 33,758.47 is: 50,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,047.36 : 100,569.45 = 33,758.47 : x
  2. Step 2: Convert to fraction form
    67,047.36/100,569.45 = 33,758.47/x
  3. Step 3: Cross multiply
    67,047.36x = 100,569.45 × 33,758.47
  4. Step 4: Simplify right side
    67,047.36x = 3,395,070,760.74
  5. Step 5: Solve for x
    x = 3,395,070,760.74/67,047.36
  6. Step 6: Final answer
    x = 50,636.90

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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.