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Finding the Fourth Proportional to 40,665.44, 61,019.04 and 30,801.44

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Solution

The fourth proportional to 40,665.44, 61,019.04 and 30,801.44 is: 46,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665.44 : 61,019.04 = 30,801.44 : x
  2. Step 2: Convert to fraction form
    40,665.44/61,019.04 = 30,801.44/x
  3. Step 3: Cross multiply
    40,665.44x = 61,019.04 × 30,801.44
  4. Step 4: Simplify right side
    40,665.44x = 1,879,474,299.42
  5. Step 5: Solve for x
    x = 1,879,474,299.42/40,665.44
  6. Step 6: Final answer
    x = 46,217.98

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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.