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Finding the Fourth Proportional to 74,000.80, 110,928.30 and 36,566.65

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Solution

The fourth proportional to 74,000.80, 110,928.30 and 36,566.65 is: 54,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.80 : 110,928.30 = 36,566.65 : x
  2. Step 2: Convert to fraction form
    74,000.80/110,928.30 = 36,566.65/x
  3. Step 3: Cross multiply
    74,000.80x = 110,928.30 × 36,566.65
  4. Step 4: Simplify right side
    74,000.80x = 4,056,276,321.20
  5. Step 5: Solve for x
    x = 4,056,276,321.20/74,000.80
  6. Step 6: Final answer
    x = 54,813.95

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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.