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Finding the Fourth Proportional to 69,497.80, 104,246.70 and 34,505.80

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Solution

The fourth proportional to 69,497.80, 104,246.70 and 34,505.80 is: 51,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,497.80 : 104,246.70 = 34,505.80 : x
  2. Step 2: Convert to fraction form
    69,497.80/104,246.70 = 34,505.80/x
  3. Step 3: Cross multiply
    69,497.80x = 104,246.70 × 34,505.80
  4. Step 4: Simplify right side
    69,497.80x = 3,597,115,780.86
  5. Step 5: Solve for x
    x = 3,597,115,780.86/69,497.80
  6. Step 6: Final answer
    x = 51,758.70

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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.