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Finding the Fourth Proportional to 67,907.82, 93,519.03 and 49,015.02

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Solution

The fourth proportional to 67,907.82, 93,519.03 and 49,015.02 is: 67,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,907.82 : 93,519.03 = 49,015.02 : x
  2. Step 2: Convert to fraction form
    67,907.82/93,519.03 = 49,015.02/x
  3. Step 3: Cross multiply
    67,907.82x = 93,519.03 × 49,015.02
  4. Step 4: Simplify right side
    67,907.82x = 4,583,837,125.83
  5. Step 5: Solve for x
    x = 4,583,837,125.83/67,907.82
  6. Step 6: Final answer
    x = 67,500.87

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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.