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Finding the Fourth Proportional to 69,070.74, 103,619.07 and 22,311.06

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Solution

The fourth proportional to 69,070.74, 103,619.07 and 22,311.06 is: 33,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070.74 : 103,619.07 = 22,311.06 : x
  2. Step 2: Convert to fraction form
    69,070.74/103,619.07 = 22,311.06/x
  3. Step 3: Cross multiply
    69,070.74x = 103,619.07 × 22,311.06
  4. Step 4: Simplify right side
    69,070.74x = 2,311,851,287.91
  5. Step 5: Solve for x
    x = 2,311,851,287.91/69,070.74
  6. Step 6: Final answer
    x = 33,470.78

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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.