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Finding the Fourth Proportional to 69,390.87, 95,759.64 and 37,559.76

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Solution

The fourth proportional to 69,390.87, 95,759.64 and 37,559.76 is: 51,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390.87 : 95,759.64 = 37,559.76 : x
  2. Step 2: Convert to fraction form
    69,390.87/95,759.64 = 37,559.76/x
  3. Step 3: Cross multiply
    69,390.87x = 95,759.64 × 37,559.76
  4. Step 4: Simplify right side
    69,390.87x = 3,596,709,096.09
  5. Step 5: Solve for x
    x = 3,596,709,096.09/69,390.87
  6. Step 6: Final answer
    x = 51,832.60

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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.