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Finding the Fourth Proportional to 19,359.54, 29,043.09 and 6,880.14

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Solution

The fourth proportional to 19,359.54, 29,043.09 and 6,880.14 is: 10,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.54 : 29,043.09 = 6,880.14 : x
  2. Step 2: Convert to fraction form
    19,359.54/29,043.09 = 6,880.14/x
  3. Step 3: Cross multiply
    19,359.54x = 29,043.09 × 6,880.14
  4. Step 4: Simplify right side
    19,359.54x = 199,820,525.23
  5. Step 5: Solve for x
    x = 199,820,525.23/19,359.54
  6. Step 6: Final answer
    x = 10,321.55

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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.