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Finding the Fourth Proportional to 35,682.81, 49,240.15 and 19,766.11

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Solution

The fourth proportional to 35,682.81, 49,240.15 and 19,766.11 is: 27,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,682.81 : 49,240.15 = 19,766.11 : x
  2. Step 2: Convert to fraction form
    35,682.81/49,240.15 = 19,766.11/x
  3. Step 3: Cross multiply
    35,682.81x = 49,240.15 × 19,766.11
  4. Step 4: Simplify right side
    35,682.81x = 973,286,048.80
  5. Step 5: Solve for x
    x = 973,286,048.80/35,682.81
  6. Step 6: Final answer
    x = 27,276.05

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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.