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Finding the Fourth Proportional to 45,759.52, 68,619.84 and 15,777.04

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Solution

The fourth proportional to 45,759.52, 68,619.84 and 15,777.04 is: 23,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759.52 : 68,619.84 = 15,777.04 : x
  2. Step 2: Convert to fraction form
    45,759.52/68,619.84 = 15,777.04/x
  3. Step 3: Cross multiply
    45,759.52x = 68,619.84 × 15,777.04
  4. Step 4: Simplify right side
    45,759.52x = 1,082,617,960.47
  5. Step 5: Solve for x
    x = 1,082,617,960.47/45,759.52
  6. Step 6: Final answer
    x = 23,658.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.