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Finding the Fourth Proportional to 34,907.86, 48,172.92 and 19,795.72

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Solution

The fourth proportional to 34,907.86, 48,172.92 and 19,795.72 is: 27,318.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,907.86 : 48,172.92 = 19,795.72 : x
  2. Step 2: Convert to fraction form
    34,907.86/48,172.92 = 19,795.72/x
  3. Step 3: Cross multiply
    34,907.86x = 48,172.92 × 19,795.72
  4. Step 4: Simplify right side
    34,907.86x = 953,617,635.90
  5. Step 5: Solve for x
    x = 953,617,635.90/34,907.86
  6. Step 6: Final answer
    x = 27,318.14

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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.