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Finding the Fourth Proportional to 69,454.80, 104,230.80 and 44,555.40

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Solution

The fourth proportional to 69,454.80, 104,230.80 and 44,555.40 is: 66,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,454.80 : 104,230.80 = 44,555.40 : x
  2. Step 2: Convert to fraction form
    69,454.80/104,230.80 = 44,555.40/x
  3. Step 3: Cross multiply
    69,454.80x = 104,230.80 × 44,555.40
  4. Step 4: Simplify right side
    69,454.80x = 4,644,044,986.32
  5. Step 5: Solve for x
    x = 4,644,044,986.32/69,454.80
  6. Step 6: Final answer
    x = 66,864.28

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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.