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Finding the Fourth Proportional to 14,509.28, 20,028.94 and 9,799.94

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Solution

The fourth proportional to 14,509.28, 20,028.94 and 9,799.94 is: 13,528.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.28 : 20,028.94 = 9,799.94 : x
  2. Step 2: Convert to fraction form
    14,509.28/20,028.94 = 9,799.94/x
  3. Step 3: Cross multiply
    14,509.28x = 20,028.94 × 9,799.94
  4. Step 4: Simplify right side
    14,509.28x = 196,282,410.26
  5. Step 5: Solve for x
    x = 196,282,410.26/14,509.28
  6. Step 6: Final answer
    x = 13,528.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.