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Finding the Fourth Proportional to 16,560.46, 24,828.94 and 7,790.59

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Solution

The fourth proportional to 16,560.46, 24,828.94 and 7,790.59 is: 11,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.46 : 24,828.94 = 7,790.59 : x
  2. Step 2: Convert to fraction form
    16,560.46/24,828.94 = 7,790.59/x
  3. Step 3: Cross multiply
    16,560.46x = 24,828.94 × 7,790.59
  4. Step 4: Simplify right side
    16,560.46x = 193,431,928.58
  5. Step 5: Solve for x
    x = 193,431,928.58/16,560.46
  6. Step 6: Final answer
    x = 11,680.35

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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.