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Finding the Fourth Proportional to 49,907.70, 74,468.82 and 48,216.42

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Solution

The fourth proportional to 49,907.70, 74,468.82 and 48,216.42 is: 71,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,907.70 : 74,468.82 = 48,216.42 : x
  2. Step 2: Convert to fraction form
    49,907.70/74,468.82 = 48,216.42/x
  3. Step 3: Cross multiply
    49,907.70x = 74,468.82 × 48,216.42
  4. Step 4: Simplify right side
    49,907.70x = 3,590,619,902.02
  5. Step 5: Solve for x
    x = 3,590,619,902.02/49,907.70
  6. Step 6: Final answer
    x = 71,945.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.