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Finding the Fourth Proportional to 46,354.88, 69,532.72 and 30,660.56

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Solution

The fourth proportional to 46,354.88, 69,532.72 and 30,660.56 is: 45,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,354.88 : 69,532.72 = 30,660.56 : x
  2. Step 2: Convert to fraction form
    46,354.88/69,532.72 = 30,660.56/x
  3. Step 3: Cross multiply
    46,354.88x = 69,532.72 × 30,660.56
  4. Step 4: Simplify right side
    46,354.88x = 2,131,912,133.52
  5. Step 5: Solve for x
    x = 2,131,912,133.52/46,354.88
  6. Step 6: Final answer
    x = 45,991.10

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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.