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Finding the Fourth Proportional to 69,309.95, 95,647.74 and 37,478.84

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Solution

The fourth proportional to 69,309.95, 95,647.74 and 37,478.84 is: 51,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,309.95 : 95,647.74 = 37,478.84 : x
  2. Step 2: Convert to fraction form
    69,309.95/95,647.74 = 37,478.84/x
  3. Step 3: Cross multiply
    69,309.95x = 95,647.74 × 37,478.84
  4. Step 4: Simplify right side
    69,309.95x = 3,584,765,725.04
  5. Step 5: Solve for x
    x = 3,584,765,725.04/69,309.95
  6. Step 6: Final answer
    x = 51,720.80

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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.