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Finding the Fourth Proportional to 69,983.35, 105,006.04 and 36,695.51

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Solution

The fourth proportional to 69,983.35, 105,006.04 and 36,695.51 is: 55,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983.35 : 105,006.04 = 36,695.51 : x
  2. Step 2: Convert to fraction form
    69,983.35/105,006.04 = 36,695.51/x
  3. Step 3: Cross multiply
    69,983.35x = 105,006.04 × 36,695.51
  4. Step 4: Simplify right side
    69,983.35x = 3,853,249,672.55
  5. Step 5: Solve for x
    x = 3,853,249,672.55/69,983.35
  6. Step 6: Final answer
    x = 55,059.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.