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Finding the Fourth Proportional to 49,907.72, 68,869.71 and 27,242.21

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Solution

The fourth proportional to 49,907.72, 68,869.71 and 27,242.21 is: 37,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.72 : 68,869.71 = 27,242.21 : x
  2. Step 2: Convert to fraction form
    49,907.72/68,869.71 = 27,242.21/x
  3. Step 3: Cross multiply
    49,907.72x = 68,869.71 × 27,242.21
  4. Step 4: Simplify right side
    49,907.72x = 1,876,163,102.46
  5. Step 5: Solve for x
    x = 1,876,163,102.46/49,907.72
  6. Step 6: Final answer
    x = 37,592.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.