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Finding the Fourth Proportional to 69,562.80, 104,319.90 and 36,271.80

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Solution

The fourth proportional to 69,562.80, 104,319.90 and 36,271.80 is: 54,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,562.80 : 104,319.90 = 36,271.80 : x
  2. Step 2: Convert to fraction form
    69,562.80/104,319.90 = 36,271.80/x
  3. Step 3: Cross multiply
    69,562.80x = 104,319.90 × 36,271.80
  4. Step 4: Simplify right side
    69,562.80x = 3,783,870,548.82
  5. Step 5: Solve for x
    x = 3,783,870,548.82/69,562.80
  6. Step 6: Final answer
    x = 54,395.03

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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.