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Finding the Fourth Proportional to 69,051.80, 103,634.40 and 35,782.04

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Solution

The fourth proportional to 69,051.80, 103,634.40 and 35,782.04 is: 53,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,051.80 : 103,634.40 = 35,782.04 : x
  2. Step 2: Convert to fraction form
    69,051.80/103,634.40 = 35,782.04/x
  3. Step 3: Cross multiply
    69,051.80x = 103,634.40 × 35,782.04
  4. Step 4: Simplify right side
    69,051.80x = 3,708,250,246.18
  5. Step 5: Solve for x
    x = 3,708,250,246.18/69,051.80
  6. Step 6: Final answer
    x = 53,702.44

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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.