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Finding the Fourth Proportional to 14,825.28, 22,238.28 and 4,964.64

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Solution

The fourth proportional to 14,825.28, 22,238.28 and 4,964.64 is: 7,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.28 : 22,238.28 = 4,964.64 : x
  2. Step 2: Convert to fraction form
    14,825.28/22,238.28 = 4,964.64/x
  3. Step 3: Cross multiply
    14,825.28x = 22,238.28 × 4,964.64
  4. Step 4: Simplify right side
    14,825.28x = 110,405,054.42
  5. Step 5: Solve for x
    x = 110,405,054.42/14,825.28
  6. Step 6: Final answer
    x = 7,447.08

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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.