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Finding the Fourth Proportional to 69,392.50, 104,086.50 and 29,400.80

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Solution

The fourth proportional to 69,392.50, 104,086.50 and 29,400.80 is: 44,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,392.50 : 104,086.50 = 29,400.80 : x
  2. Step 2: Convert to fraction form
    69,392.50/104,086.50 = 29,400.80/x
  3. Step 3: Cross multiply
    69,392.50x = 104,086.50 × 29,400.80
  4. Step 4: Simplify right side
    69,392.50x = 3,060,226,089.13
  5. Step 5: Solve for x
    x = 3,060,226,089.13/69,392.50
  6. Step 6: Final answer
    x = 44,100.25

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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.