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Finding the Fourth Proportional to 69,820.65, 96,350.94 and 37,989.63

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Solution

The fourth proportional to 69,820.65, 96,350.94 and 37,989.63 is: 52,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,820.65 : 96,350.94 = 37,989.63 : x
  2. Step 2: Convert to fraction form
    69,820.65/96,350.94 = 37,989.63/x
  3. Step 3: Cross multiply
    69,820.65x = 96,350.94 × 37,989.63
  4. Step 4: Simplify right side
    69,820.65x = 3,660,336,560.75
  5. Step 5: Solve for x
    x = 3,660,336,560.75/69,820.65
  6. Step 6: Final answer
    x = 52,424.84

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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.