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Finding the Fourth Proportional to 14,757.12, 22,133.52 and 7,734.78

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Solution

The fourth proportional to 14,757.12, 22,133.52 and 7,734.78 is: 11,601.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.12 : 22,133.52 = 7,734.78 : x
  2. Step 2: Convert to fraction form
    14,757.12/22,133.52 = 7,734.78/x
  3. Step 3: Cross multiply
    14,757.12x = 22,133.52 × 7,734.78
  4. Step 4: Simplify right side
    14,757.12x = 171,197,907.83
  5. Step 5: Solve for x
    x = 171,197,907.83/14,757.12
  6. Step 6: Final answer
    x = 11,601.04

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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.