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Finding the Fourth Proportional to 69,763.80, 96,272.90 and 37,933.50

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Solution

The fourth proportional to 69,763.80, 96,272.90 and 37,933.50 is: 52,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.80 : 96,272.90 = 37,933.50 : x
  2. Step 2: Convert to fraction form
    69,763.80/96,272.90 = 37,933.50/x
  3. Step 3: Cross multiply
    69,763.80x = 96,272.90 × 37,933.50
  4. Step 4: Simplify right side
    69,763.80x = 3,651,968,052.15
  5. Step 5: Solve for x
    x = 3,651,968,052.15/69,763.80
  6. Step 6: Final answer
    x = 52,347.61

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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.