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Finding the Fourth Proportional to 14,509.99, 21,775.92 and 6,724.27

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Solution

The fourth proportional to 14,509.99, 21,775.92 and 6,724.27 is: 10,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.99 : 21,775.92 = 6,724.27 : x
  2. Step 2: Convert to fraction form
    14,509.99/21,775.92 = 6,724.27/x
  3. Step 3: Cross multiply
    14,509.99x = 21,775.92 × 6,724.27
  4. Step 4: Simplify right side
    14,509.99x = 146,427,165.58
  5. Step 5: Solve for x
    x = 146,427,165.58/14,509.99
  6. Step 6: Final answer
    x = 10,091.47

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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.