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Finding the Fourth Proportional to 40,907.66, 61,362.25 and 12,827.09

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Solution

The fourth proportional to 40,907.66, 61,362.25 and 12,827.09 is: 19,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.66 : 61,362.25 = 12,827.09 : x
  2. Step 2: Convert to fraction form
    40,907.66/61,362.25 = 12,827.09/x
  3. Step 3: Cross multiply
    40,907.66x = 61,362.25 × 12,827.09
  4. Step 4: Simplify right side
    40,907.66x = 787,099,224.69
  5. Step 5: Solve for x
    x = 787,099,224.69/40,907.66
  6. Step 6: Final answer
    x = 19,240.88

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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.