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Finding the Fourth Proportional to 34,907.38, 48,168.52 and 19,795.21

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Solution

The fourth proportional to 34,907.38, 48,168.52 and 19,795.21 is: 27,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.38 : 48,168.52 = 19,795.21 : x
  2. Step 2: Convert to fraction form
    34,907.38/48,168.52 = 19,795.21/x
  3. Step 3: Cross multiply
    34,907.38x = 48,168.52 × 19,795.21
  4. Step 4: Simplify right side
    34,907.38x = 953,505,968.79
  5. Step 5: Solve for x
    x = 953,505,968.79/34,907.38
  6. Step 6: Final answer
    x = 27,315.31

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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.