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Finding the Fourth Proportional to 69,689.93, 96,172.22 and 37,858.86

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Solution

The fourth proportional to 69,689.93, 96,172.22 and 37,858.86 is: 52,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,689.93 : 96,172.22 = 37,858.86 : x
  2. Step 2: Convert to fraction form
    69,689.93/96,172.22 = 37,858.86/x
  3. Step 3: Cross multiply
    69,689.93x = 96,172.22 × 37,858.86
  4. Step 4: Simplify right side
    69,689.93x = 3,640,970,707.52
  5. Step 5: Solve for x
    x = 3,640,970,707.52/69,689.93
  6. Step 6: Final answer
    x = 52,245.30

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1.5x scale

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.