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Finding the Fourth Proportional to 69,690.51, 96,172.38 and 37,859.64

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Solution

The fourth proportional to 69,690.51, 96,172.38 and 37,859.64 is: 52,246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.51 : 96,172.38 = 37,859.64 : x
  2. Step 2: Convert to fraction form
    69,690.51/96,172.38 = 37,859.64/x
  3. Step 3: Cross multiply
    69,690.51x = 96,172.38 × 37,859.64
  4. Step 4: Simplify right side
    69,690.51x = 3,641,051,684.74
  5. Step 5: Solve for x
    x = 3,641,051,684.74/69,690.51
  6. Step 6: Final answer
    x = 52,246.02

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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.