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Finding the Fourth Proportional to 69,064.80, 103,571.16 and 22,305.12

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Solution

The fourth proportional to 69,064.80, 103,571.16 and 22,305.12 is: 33,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.80 : 103,571.16 = 22,305.12 : x
  2. Step 2: Convert to fraction form
    69,064.80/103,571.16 = 22,305.12/x
  3. Step 3: Cross multiply
    69,064.80x = 103,571.16 × 22,305.12
  4. Step 4: Simplify right side
    69,064.80x = 2,310,167,152.34
  5. Step 5: Solve for x
    x = 2,310,167,152.34/69,064.80
  6. Step 6: Final answer
    x = 33,449.27

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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.