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Finding the Fourth Proportional to 12,704.59, 19,057.80 and 4,384.48

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Solution

The fourth proportional to 12,704.59, 19,057.80 and 4,384.48 is: 6,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.59 : 19,057.80 = 4,384.48 : x
  2. Step 2: Convert to fraction form
    12,704.59/19,057.80 = 4,384.48/x
  3. Step 3: Cross multiply
    12,704.59x = 19,057.80 × 4,384.48
  4. Step 4: Simplify right side
    12,704.59x = 83,558,542.94
  5. Step 5: Solve for x
    x = 83,558,542.94/12,704.59
  6. Step 6: Final answer
    x = 6,577.04

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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.