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Finding the Fourth Proportional to 48,643.76, 67,051.65 and 35,855.97

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Solution

The fourth proportional to 48,643.76, 67,051.65 and 35,855.97 is: 49,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,643.76 : 67,051.65 = 35,855.97 : x
  2. Step 2: Convert to fraction form
    48,643.76/67,051.65 = 35,855.97/x
  3. Step 3: Cross multiply
    48,643.76x = 67,051.65 × 35,855.97
  4. Step 4: Simplify right side
    48,643.76x = 2,404,201,632.18
  5. Step 5: Solve for x
    x = 2,404,201,632.18/48,643.76
  6. Step 6: Final answer
    x = 49,424.67

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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.